#include<fstream>
#include<iostream>
#include<vector>
using namespace std;
ifstream f("date.in");
ofstream g("date.out");
vector<int>soll;
void solve(int n,int c1,int c2)
{

        int cf,put,sol=0;

        put=1;
    if(n==0 && c1==0)
        sol=c2;
    else
    {


    while(n)
    {
        cf=n%10;
        if(cf==c1)
            cf=c2;

        sol=sol+cf*put;
        put*=10;
        n/=10;
    }
    }
    soll.push_back(sol);
}
int main()
{
    int n,c1,c2,ok=1;

    while(ok==1)
    {
        cin>>n>>c1>>c2;
        if(n!=0 || c1!=0 || c2!=0)
        {
        solve(n,c1,c2);
        }
        else ok=0;
    }
    for(int i=0;i<soll.size();i++)
        cout<<soll[i]<<'\n';
    return 0;
}