HIIT Generation

import java.util.Scanner;


public class Main {
	public static void main(String[] args){
		String HIIT = "HIIT";
		Scanner scanner = new Scanner(System.in);
		int limit = scanner.nextInt();
		scanner.nextLine();
		for(int i = 0; i < limit; i++){
			String letter = scanner.nextLine();
			HIIT = HIIT.replaceAll(letter,"HIIT");
		}
		System.out.println(HIIT);
	}
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: TIME LIMIT EXCEEDED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED