#include <stdio.h>

int main(void){
	// for (int i=1; i<=100; i++)
	// {
	// sum = sum + i*i;
	// }
	// printf("Sum of first 100 squares: %d\n", sum);

	int sum = 0;
	int i = 1;
	while (i <= 100){
		sum = sum + i*i;
		i++;
	}
	printf("Sum of first 100 squares: %d\n", sum);


	return(0);
}