#include "stdio.h"

int soma(int i) {
	if (i == 1) return 1;
	return i + soma(i-1);
}

int main() {

	int s1 = 0;
	int n = 5000;
	for (int i = n; i > 0; i--)
	{
		s1 += i;
	}

	int s2 = 0;
	//s2 = soma(n);

	printf("%d\n", s1);
	printf("%d\n", s2);
	return 0;
}