输入一个英文句子，句子中仅包含英文字母，<strong>数字，</strong>空格和标点符号，其中数字、空格和标点符号将句子划分成一个个独立的单词，除去句子中的数字、空格和标点符号，将句子中的每个单词的首字母大写，然后输出句子，输出时各个单词之间以一个空格隔开，<strong>句子以“.”结束</strong>。<br />
<br />
<span style="font-size:16px;">非常抱歉之前漏了<strong>数字</strong>这个描述。</span>

输入只有一行，包含一个长度都不超过100的字符串S，表示英文句子。<br />

输出只有一行，即按要求输出处理后的英文句子，若句子中不含任何单词，则输出一个“.”。<br />

更多样例：<br />

<div class="input" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-style: initial; border-color: initial; border-image: initial; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(136, 136, 136); border-right-color: rgb(136, 136, 136); border-bottom-color: rgb(136, 136, 136); border-left-color: rgb(136, 136, 136); color: rgb(0, 0, 0); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; line-height: 22px; text-align: left; ">
<div class="title" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 3px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 1px; border-left-width: 0px; border-style: initial; border-color: initial; border-image: initial; font-family: Consolas, 'Lucida Console', 'Andale Mono', 'Bitstream Vera Sans Mono', 'Courier New', Courier; font-size: 15px; border-bottom-style: solid; border-bottom-color: rgb(136, 136, 136); text-transform: lowercase; font-weight: bold; ">
input</div>
<div class="sample-input" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; border-image: initial; font-family: Consolas, 'Lucida Console', 'Andale Mono', 'Bitstream Vera Sans Mono', 'Courier New', Courier; line-height: 16px; background-color: rgb(239, 239, 239); ">
——Who,love???SoLo</div>
</div>

<div class="output" style="margin-top: 0px; margin-right: 0px; margin-bottom: 12px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-style: initial; border-color: initial; border-image: initial; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(136, 136, 136); border-right-color: rgb(136, 136, 136); border-bottom-color: rgb(136, 136, 136); border-left-color: rgb(136, 136, 136); position: relative; top: -1px; color: rgb(0, 0, 0); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; line-height: 22px; text-align: left; ">
<div class="title" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 3px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 1px; border-left-width: 0px; border-style: initial; border-color: initial; border-image: initial; font-family: Consolas, 'Lucida Console', 'Andale Mono', 'Bitstream Vera Sans Mono', 'Courier New', Courier; font-size: 15px; border-bottom-style: solid; border-bottom-color: rgb(136, 136, 136); text-transform: lowercase; font-weight: bold; ">
output</div>
<div class="sample-output" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; border-image: initial; font-family: Consolas, 'Lucida Console', 'Andale Mono', 'Bitstream Vera Sans Mono', 'Courier New', Courier; line-height: 16px; background-color: rgb(239, 239, 239); ">
Who Love SoLo.</div>
</div>

<div>
<div class="input" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-style: initial; border-color: initial; border-image: initial; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(136, 136, 136); border-right-color: rgb(136, 136, 136); border-bottom-color: rgb(136, 136, 136); border-left-color: rgb(136, 136, 136); color: rgb(0, 0, 0); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; line-height: 22px; text-align: left; ">
<div class="title" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 3px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 1px; border-left-width: 0px; border-style: initial; border-color: initial; border-image: initial; font-family: Consolas, 'Lucida Console', 'Andale Mono', 'Bitstream Vera Sans Mono', 'Courier New', Courier; font-size: 15px; border-bottom-style: solid; border-bottom-color: rgb(136, 136, 136); text-transform: lowercase; font-weight: bold; ">
input</div>
<div class="sample-input" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; border-image: initial; font-family: Consolas, 'Lucida Console', 'Andale Mono', 'Bitstream Vera Sans Mono', 'Courier New', Courier; line-height: 16px; background-color: rgb(239, 239, 239); ">
66666666664123+Who-32didn’t love? SoLo32..</div>
</div>
<div class="output" style="margin-top: 0px; margin-right: 0px; margin-bottom: 12px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-style: initial; border-color: initial; border-image: initial; border-top-style: solid; border-right-style: solid; border-bottom-style: solid; border-left-style: solid; border-top-color: rgb(136, 136, 136); border-right-color: rgb(136, 136, 136); border-bottom-color: rgb(136, 136, 136); border-left-color: rgb(136, 136, 136); position: relative; top: -1px; color: rgb(0, 0, 0); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; line-height: 22px; text-align: left; ">
<div class="title" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 3px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 1px; border-left-width: 0px; border-style: initial; border-color: initial; border-image: initial; font-family: Consolas, 'Lucida Console', 'Andale Mono', 'Bitstream Vera Sans Mono', 'Courier New', Courier; font-size: 15px; border-bottom-style: solid; border-bottom-color: rgb(136, 136, 136); text-transform: lowercase; font-weight: bold; ">
output</div>
<div class="sample-output" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 3px; padding-right: 3px; padding-bottom: 3px; padding-left: 3px; border-top-width: 0px; border-right-width: 0px; border-bottom-width: 0px; border-left-width: 0px; border-style: initial; border-color: initial; border-image: initial; font-family: Consolas, 'Lucida Console', 'Andale Mono', 'Bitstream Vera Sans Mono', 'Courier New', Courier; line-height: 16px; background-color: rgb(239, 239, 239); ">
Who Didn T Love SoLo.</div>
</div>
</div>
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