import java.util.Scanner;

public class Problem1 {

	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int tests = 1;
		while(tests <= 15 && in.hasNextLine()) {
			String n = in.next();
			String c1 = in.next();
			String c2 = in.next();
			if(n.equals("0") && c1.equals("0") && c2.equals("0"))
				continue;
			n = n.replaceAll(c1,c2);
			n = n.replaceAll("0", "");
			System.out.println(n);
		}
	}

}