#include <iostream>
using namespace std;
void rep_n(int a, int b, int c){
    if(a == b){
        cout << c << endl;

}else{
int i = a;
int h = a;
int j = 1;
while(i > 0){
    if(i%10 == b){
        if(c < b){
            h-=(b-c)*j;
        }else{
            h+=(c-b)*j;
        }
    }
    i /= 10;
    j *= 10;

cout << h << endl;
}
}
}
int main(){
    int n,ce,ck;
    cin >> n >> ce >> ck;
    while(n + ce + ck != 0){
        rep_n(n,ce,ck);
        cin >> n >> ce >> ck;
    }
    return 0;
}