// This program prompts the user for a maximum value to use and
// reports the sum of the integers from 1 to that maximum.

import java.util.*;

public class CumulativeSum {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);
        System.out.print("give me an int-> ");
        int n = console.nextInt();
        int answer = findSum(n);
        System.out.println("sum = " + answer);
    }

    // returns the sum of the integers 1 through max
    public static int findSum(int max) {
        int sum = 0;
        for (int i = 1; i <= max; i++) {
            sum = sum + i;
        }
        return sum;
    }
}