#include <stdio.h>

int Natural = 100;
int count;

long long SumOfSquares = 0;
long long SquareOfSums = 0;

int main (int argc, const char * argv[]) {

    printf("Finding sum of first %i squared natural numbers\n", Natural);

    for (count = 0; count <= Natural; count++)
    {
        SumOfSquares += (count * count);
    }

    printf("Finding sum of first %i natural numbers and squaring that sum\n", Natural);

    for (count = 0; count <= Natural; count++)
    {
        SquareOfSums += count;
    }
    SquareOfSums = (SquareOfSums * SquareOfSums);

    printf("Sum of squares: %lld\n", SumOfSquares);
    printf("Square of sums: %lld\n", SquareOfSums);
    printf("Difference: %lld\n", (SquareOfSums - SumOfSquares));

    return 0;
}