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/**
 * @(#)oppgave3a.java
 *
 *
 * @Anders Gill
 * @version 1.00 2011/10/23
 */

import java.util.Scanner; // Scanner

public class oppgave3a { // name of the class

    public static void main(String[] args) {

        getSum(); // calls the method getSum

    }

    public static void getSum() { // openbracket for the method getSum
        Scanner console = new Scanner(System.in); // decleration of scanner

        System.out.print("Oppgi øvre grense: "); // requests integer tall
        int tall = console.nextInt();
        System.out.println("Summen opp til og med " + tall + " er " + (1 + tall)*tall/2); // expression for the problemsolving (1 + n)*(n/2)
    } // endingbracket for the method getSum

}