#include <stdio.h>

void t_proc(int num, int *answer)
{
   num = num - 1;
   *answer = num * 4;
}		

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

	t_proc(5, &result);
	printf("%d %d\n", number, result);

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

	return 0;
}