#include<iostream>
#include<fstream>
#include<cstring>
using namespace std;
fstream fin("p1.in",ios::in),fout("p1.out",ios::out);
int suma(int n,int c1,int c2)
{
    if(n==0)
    {
        return 0;
    }
    if(n%10==c1)
    {
        return suma(n/10,c1,c2)*10+c2;
    }
    return suma(n/10,c1,c2)*10+n%10;
}
int main()
{
    int n,c1,c2;
    while(cin>>n>>c1>>c2)
    {
        if((n==0)&&(c1==0)&&(c2!=0))
        {
            cout<<c2;
        }
        else
        {
           if((n==0)&&(c1==0)&&(c2==0))
            {
                return 0;
            }
            else
            {
                cout<<suma(n,c1,c2)<<"\n";
            }
        }
    }
}