/* program 4
 * find the sum of the first 'number_to_sum' squares
 * where number_to_sum is entered at the keyboard
 */
#include <iostream>
using namespace std;

int main()
{
    int sum = 0;        // variables
    int number_to_sum;

    cout<<"Enter the number of squares to be summed: ";
    cin >> number_to_sum;

    for (int i = 1; i <= number_to_sum; i++)
        sum += (i * i);

    cout << sum <<" is the sum of the first " << number_to_sum << " squares." << endl;

//  system("pause");    //un-comment when using DevC++
    return 0;
}