import java.util.Scanner;
public class ForAdding {
public static void main (String[] args) {
int count;
int total = 0;
Scanner kb = new Scanner(System.in);
System.out.println("Give me a number and I will sum it up with every number before it.");
count = kb.nextInt();
for (int n = 0; n <= count; n = n + 1) {
total = total + n;
}
System.out.println("The total is " + total + " .");
}
}