import java.util.Scanner;
import java.util.*;

public class prog {
  Scanner sc = new java.util.Scanner(System.in);

  private void solve() {
    int n = sc.nextInt(), c1 = sc.nextInt(), c2 = sc.nextInt();
    while (n != 0 || c1 != 0 || c2 != 0) {
          System.out.println(
              Integer.parseInt(String.valueOf(n).replaceAll(
                  String.valueOf(c1),
                  String.valueOf(c2))));
          n = sc.nextInt(); c1 = sc.nextInt(); c2 = sc.nextInt();
        }
  }

  public static void main(final String[] args) {
    new prog().solve();
  }
}