#include <iostream>
#include<algorithm>
#include<string>
#include<cmath>
#include<iomanip>
#include<cstring>
#include<vector>
using namespace std;
int main()
{
	string str1,str2,str3;
	getline(cin, str1);
	getline(cin, str2);
	getline(cin, str3);
	
	int index1 = str1.find(str2[0]);
	int len = str2.length();
	str1.replace(index1, len, str3);
	cout << str1 << endl;
}