#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

int T;

void APPLY( int &n, int a, int b ) {
    int r = 0, p = 1;
    vector <int> nr;
    while( n ) {
        int c = n % 10;
        if( c == a ) c = b;
        nr.push_back(c);
        n /= 10;
        p *= 10;
    }
    p /= 10;

    for( int i = (int)nr.size() - 1;  i >= 0;  --i ) {
        n += nr[i] * p;
        p /= 10;
    }
}

int main() {
    int n, a,b;
    cin >> n >> a >> b;
    while( n || a || b ) {
        APPLY( n, a, b );
        cout << n << '\n';
        cin >> n >> a >> b;
    }
    return 0;
}