#include <iostream>

using namespace std;

int n, c1, c2, p, ans, last, ok=1;
int main()
{
    while(ok)
    {
        cin>>n>>c1>>c2;
        if(n==0 && c1==0 && c2==0)
        {
            ok=0;
            return 0;
        }
        ans=0; p=1;
        while(n>0)
        {
            last=n%10;

            if(last!=c1) ans=last*p+ans;
            else ans=c2*p+ans;

            n/=10;
            p*=10;
        }
        cout<<ans<<endl;
    }
}