#include <stdio.h>

int t_func(int num)	
{
   return num * 5;
}

void t_proc(int num, int *answer)
{
   *answer = num * 5;
}		

int main(void)
{
	int number = 3;
	int result;

	result = t_func(number);
	printf("%d %d\n", number, result);

	t_proc(number, &result);
	printf("%d %d\n", number, result);

	return 0;
}