#include <iostream>
#include <cstdio>

using namespace std;

int main()
{
    int n, x, y, k;
    long int i, j;
    fscanf(stdin, "%d %d %d", &n, &x, &y);
    while (n || x || y)
    {
        i = n;
        j = 0;
        k = 1;
        while (i)
        {
            if (i % 10 == x)
                j += y * k;
            else
                j += (i % 10) * k;
            k *= 10;
            i /= 10;
        }
        fprintf(stdout, "%ld\n", j);
        fscanf(stdin, "%d %d %d", &n, &x, &y);
    }

    return 0;
}