#include<cstdio>
#include<cstring>

int n,c1,c2;

int main()
{
   // freopen("A.in","r",stdin);
   // freopen("A.out","w",stdout);


    while(1)
    {
        scanf("%d %d %d",&n,&c1,&c2);

        if(n == 0 && c1 == 0 && c2 == 0)
            break;

        int p = 1;
        int rez = 0;

        while(n)
        {
           if(n%10 == c1)
           {
               rez = rez + p *c2;
           }
           else
                rez = rez + p*(n%10);

           n/=10;
           p*=10;
        }

        printf("%d\n",rez);
    }



    return 0;
}