#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>

int main()
{
	int f_des[2], i, j, k;
	
	i=pipe(f_des);
	
	close(fileno(stderr));
	
	close(fileno(stdin));

	//j=dup(f_des[1]);
	k=dup2(f_des[1], fileno(stdin));
	printf("%d %d %d\n", i,j,k);

	exit(0);
}