TQC+JAVA

JPA03.java

import java.util.*;
class JPA03 {
    public static void main(String argv[]) {
        Scanner input = new Scanner(System.in);
		System.out.println("Input:");
		int N = input.nextInt();
		int sum  = 0;
        for (int index=1;index<=N;index++) {
            sum += index;
        }
        System.out.println("1 + ... + " + N + " = " + sum);
    }
}