#include <iostream>

using namespace std;
int c1,c2,i=0,k=0,o=1;
long m,inv,v[15];
long n;
int main()
{cin>>n;
  cin>>c1;
  cin>>c2;
    while((n || c1 || c2) && o<15)
  {o++;
 m=0;k=0;
  while(n)
    {
    if(n%10==c1)
        m=m*10+c2;
        else
            m=m*10+n%10;
        n=n/10;
        k++;}
        inv=0;
    while(m)
    {
        inv=inv*10+m%10;
        m=m/10;k--;
    }
    while(k)
       {
           inv=inv*10+m%10;
           m=m/10;
           k--;

       }
     v[++i]=inv;
     cin>>n;
  cin>>c1;
  cin>>c2;}
     int l=i;
     for(i=1;i<=l;i++)
        cout<<v[i]<<endl;



}