Description

给你三个字符串a, b, and c,将a里面出现的b串都替换成c串

Input Format

输入一行，包含三个字符串 ，∣a∣,∣b∣,∣c∣<=1000,替换后的串长<=1000

## Output Format 输出一个替换后的字符串 ```input1 ababa aba abc ``` ```output1 abcba ``` ```input2 abcabcabc abc abcabc ``` ```output2 abcabcabcabcabcabc ```