#include <iostream>
#include<fstream>
using namespace std;
int schimbare(int n,int c1,int c2)
{
    int c,nr,uc1,uc,p;
    c=n;nr=0;
    uc=c%10;
    if(uc==c1)
    uc=c2;
    c=c/10;
    p=10;
    while(c)
    {
        if(c%10==c1)
        uc1=c2;
        else
        uc1=c%10;
        uc1=uc1*p+uc;
        uc=uc1;
        p=p*10;
        c=c/10;

    }
    return uc1;
}
int main()
{
    ifstream f("input.txt");
    ofstream g("output.txt");
    int c1,c2;
    int n;
    f>>n>>c1>>c2;
    g<<schimbare(n,c1,c2)<<endl;
    while(n!=0 || c1!=0 || c2!=0)
    {
        f>>n>>c1>>c2;
        if(n==0 && c1==0 && c2==0)
            break;
        g<<schimbare(n,c1,c2)<<endl;
    }
    f.close();
    g.close();
    return 0;
}