#include <iostream>
using namespace std;

int main()
{
	int sum {0};                     //Start with sum holding 0.
		   
	for (int i {1}; i <= 100; ++i) { //Make i run through values 1 to 100.
		sum += i;                //Add each value of i onto the sum.
	}

	cout << "The sum is " << sum << ".\n";   //Output the answer.
	return EXIT_SUCCESS;
}