public class Sum2 {
	public static void main(String[] args) {
		int n = 100;
		int sum = 0;

		for (int i = 1; i <= n; i = i + 1) {
			sum += i;
		}

		System.out.println("The sum of the numbers from 1 to " + n
			+ " is " + sum + ".");
	}
}