[백준] 9498번 시험 성적 Java

[백준] 9498번 시험 성적 Java

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a = scanner.nextInt();
		
		if (90 <= a && a <= 100) {
			System.out.println("A");
		}
		else if (80 <= a && a <= 89) {
			System.out.println("B");
		}
		else if (70 <= a && a <= 79) {
			System.out.println("C");
		}
		else if (60 <= a && a <= 69) {
			System.out.println("D");
		}
		else
			System.out.println("F");
	}
}