#include <iostream>

using namespace std;

int main() {
	int a,b,c,nr,d;
	
	cin>>a>>b>>c;
	while (a != 0 || b!=0 || c!=0) {
		if (a == 0 && b == 0) {
			cout<<c<<endl; 
		} else {
			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;	
}