import java.util.Scanner;

/**
 * Created by iyasuwatts on 10/17/17.
 */
public class Main {
    public static void main(String[] args){
        int n = 8;
        int tally = 0;

        
        System.out.println("Input a number: ");
        
        Scanner input = new Scanner (System.in);
        n = input.nextInt();
        
        for (int i=0; i<=n; i++){
            tally += i;
            System.out.println(tally);
        }
    }
}
/*
 * * Write a program which prompts the user to input a number, `n`.
 * The program should respond by printing the sum of the numbers 1 to `n`.
 */