Problem H: 删除指定字符串

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:196 Solved:109

Description

输入两个字符串s1,s2 , 删除s1中所有的s2。

Input

输入两个字符串s1,s2

Output

输出在s1中删除s2后的字符串

Sample Input Copy

123213hello123123hello
hello

Sample Output Copy

123213123123