132 : 반복제어문2 - 형성평가3

Java

import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int num = sc.nextInt();
        int sum = 0;
 
        for (int i=1; i<=num; i++) {
            if ((i%5) == 0)
                sum += i;
        }
 
        System.out.print(sum);
    }
}