백준 - 2475

https://www.acmicpc.net/problem/2475

2475번: 검증수

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();
        int d = sc.nextInt();
        int e = sc.nextInt();

        int answer = (a*a + b*b + c*c + d*d + e*e) % 10;
        System.out.println(answer);
    }
}