#include <fstream>

using namespace std;

int n,n2,numar,nrcifra,c1,c2,sol[200][10];

int main()
{
    do
    {
      scanf("%d%d%d",&n,&c1,&c2);
      if (n==0 && c1==0 && c2==0)break;
      n2=n;nrcifra=0;numar++;
      while (n)
       {
          if (n%10==c1)
            sol[numar][++nrcifra]=c2;
          else
            sol[numar][++nrcifra]=n%10;
          n/=10;
          sol[numar][0]++;
       }
    }
    while (n2 || c1 || c2);
    for (int i=1;i<=numar;i++)
     {   while (sol[i][sol[i][0]]==0)sol[i][0]--;
         for (int j=sol[i][0];j>=1;j--)
        printf ("%d",sol[i][j]);
        printf("\n");
        }
}