#include <iostream>

using namespace std;

int main() {
	int a,b,c,nr,d;
	
	cin>>a>>b>>c;
	while (a != 0 || b!=0 || c!=0) {
		nr = 1;
		while (a/nr != 0) {
			d = a/nr%10;
			if (d == b) {
				a = (((a/(nr*10))*10)+c)*nr+(a%nr);
			}
			nr *= 10;
		}
		
		cout<<a<<endl;
		
		cin>>a>>b>>c;
	}
	
	return 0;	
}