import java.util.Scanner;
public class Main{
    public static void main(String[] args){
        Scanner sc=new Scanner(System.in);
        String[] strs=sc.nextLine().split(" ");
        String a=sc.next(),b=sc.next();
        for(String str : strs)
        {
            if(str.equals(a))
            System.out.printf("%s ",b);
            else
            System.out.printf("%s ",str);
        }
    }
}