View Code of Problem 55

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner scanner=new Scanner(System.in);
		String s=scanner.nextLine();
		String t=scanner.nextLine();
		for(int i=0;i<s.length();i++) {
			if(!s.substring(i,i+1).equals(t)) {
				System.out.print(s.charAt(i));
			}
		}
		System.out.println();
	}
}