Problem E: Character - Toggling Cases

上一题 正确率: $47.06\%$ 下一题
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Time Limit $1$ 秒/Second(s) Memory Limit $512$ 兆字节/Megabyte(s)
提交总数 $255$ 正确数量 $120$
裁判形式 标准裁判/Standard Judge 我的状态 尚未尝试
难度 分类标签 STL 字符串 模拟

Description

Toggling Cases 

Write a program which converts uppercase/lowercase letters to lowercase/uppercase for a given string.

Input

A string is given in a line.

Output

Print the converted string in a line. Note that you do not need to convert any characters other than alphabetical letters.

Sample Input复制

fAIR, LATER, OCCASIONALLY CLOUDY.

Sample Output复制

Fair, later, occasionally cloudy.

提示

The length of the input string < 1200