#include <cstdio>
using namespace std;
int v[100];

int main()
{
    //FILE *fin, *fout;
    int c1,c2,nr,i,k;
    //fin=fopen("nc1c2.in","r");
    //fout=fopen("nc1c2.out","w");
    c1=nr=c2=-1;
    while(c1!=0||c2!=0||nr!=0)
    {
        i=0;
        scanf("%d%d%d",&nr,&c1,&c2);
        while(nr>0)
        {
            v[i]=nr%10;
            nr/=10;
            ++i;
        }
        k=i-1;
        while(k>-1&&v[k]==c1&&c2==0)
            --k;
        while(k>-1)
        {
            if(v[k]==c1&&(c2!=0||(c2==0&&k!=i-1)))
                printf("%d",c2);
            else
              printf("%d",v[k]);
            --k;
        }
        printf("\n");
    }
    return 0;
}