字符串判等
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Description
判断两个字符串是否相等。要求大小写字母不敏感，即同一个字母的大写和小写视作相同字符。
Input
输入两行，每行是一个字符串，长度不超过100字符。
Output
若两字符串相等，输出“yes”，否则输出“no”。
Sample Input
abCdeF aBcdEF
Sample Output
yes
1.19竞赛B班
- Status
- Done
- Rule
- IOI
- Problem
- 9
- Start at
- 2025-1-19 13:45
- End at
- 2025-1-19 17:45
- Duration
- 4 hour(s)
- Host
-
管理员Ter (admin)
- Partic.
- 8
