#include <stdio.h>

int kvadrat(int x) {return x*x;}
int kubik(int x) {return x*x*x;}

int summa(int k_start, int k_stop, int (*fp)(int))
{
	int sum = 0;
	int k;
	
	for(k = k_start; k <= k_stop; k++)
		sum += fp(k);
	
	return sum;
}


int main(int argc, char **argv)
{
	int summa0;
	summa0 = summa(0, 5, kvadrat) + summa(2, 7, kubik);
	printf("summa0 = %i\n", summa0);
	return 0;
}