#include <stdio.h>
#define MAX 100
int p6()
{
    int sum = MAX * (MAX + 1) / 2;
    int square_sum = sum * sum;
    int sum_squares = MAX * (MAX + 1) * (2 * MAX + 1) / 6;
    printf("%d\n", square_sum - sum_squares);
    return 0;
}