Problems Description
<span style="font-size:14px;">从键盘输入一items字符，按照字母顺序输出下一items字符。</span>
Input格式
<span style="font-size:14px;">键盘输入一items字符。</span>
Output格式
<span style="font-size:14px;">按照字母顺序输出下一items字符。</span>
Sample
Sample Input 1
a
Sample Output 1
b
Submit Code
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