#include <iostream>

using namespace std;

int main()
{
    int n,c1,c2,k=-1,a,b,A[15];
    cin>>n>>c1>>c2;
    k++;
    while(n!=0||c1!=0||c2!=0){
        if(c1<0||c1>9||c2<0||c2>9||n<0||n>=100000) return 0;
        a=n/10000;
        if(a!=0){
                n=n%10000;
                if(a==c1){a=c2;}
        }
        b=n/1000;
        if(b!=0){
                n=n%1000;
                if(b==c1){b=c2;}
                a=a*10+b;
        }
        b=n/100;

        if(b!=0){
                n=n%100;
                if(b==c1){b=c2;}
                a=a*10+b;
        }
        b=n/10;
        if(b!=0){
                n=n%10;
                if(b==c1){b=c2;}
                a=a*10+b;
        }
        if(n==c1){n=c2;}

        a=a*10+n;
        A[k]=a;
        k++;
        if(k!=14)cin>>n>>c1>>c2;
        else{
            return 0;
        }
        k++;
    }
    for(int i=0;i<k;i++){
        cout<<A[i]<<"\n";
        i++;
    }
    return 0;
}