#include <fstream>
#include<iostream>

using namespace std;

ifstream fin("nc1c2.in");
ofstream fout("nc1c2.out");

int n;

int c1, c2;

int main() {

	cin >> n;
	cin >> c1 >> c2;

	while (n || c1 || c2) {

		int p = 1;

		while (p <= n) {
			if (n / p % 10 == c1) {
				int x = n%p;
				n /= p * 10;
				n *= 10;
				n += c2;
				n *= p;
				n += x;
			}
			p *= 10;
		}
		cout << n << "\n";

		cin >> n;
		cin >> c1 >> c2;

	}

	return 0;
}