#include <iostream>
#include <cstring>
using namespace std;
int main(){
char string[100], pattern[100];
char *ptr; int length;
cin.getline(string, 100);
cin.getline(pattern, 100);
length = strlen(pattern);
ptr = strstr(string, pattern);
strcpy(ptr, ptr+length);
cout << string;
return(0);
}
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