#include <iostream>
#include <fstream>
#include <math.h>
#include <cstring>
using namespace std;
ifstream f("c1c2.in");
ofstream g("c1c2.out");
int main()
{
    int n=1,a,b, aux, cn=0, pz=1;
    cin>>n>>a>>b;
    while(n!=0 || a!=0 || b!=0)
    {
        aux=n;
        do
        {
            if(aux%10!=a)
                cn=cn+(aux%10)*pz;
            else
                cn+=b*pz;
            pz*=10;
            aux/=10;
        }while(aux);
        cout<<cn<<'\n';
        cin>>n>>a>>b;
    }

    return 0;
}