#include <stdio.h>
int main() {
int a = 10000;
long square(int num) {
return (long)num * (long)num;
};
long total = 0;
while (a > 0) {
a--;
total += square(a);
//printf("a is %ld and square is %ld and total %ld \n", a, square(a), total );
};
printf("total is %ld ", total );
return 0;
}