/*
TASK:sym
LANG:C
*/
#include <stdio.h>
#define malko 0.000001
#define mnogo 10000
#define usporedni  0.125213494975
//pyk az znam orientirano lice ;-P
#define area (x1,y1,x2,y2,x3,y3) (y1*(x3-x2)+y2*(x1-x3)+y3*(x2-x1))
int main()
{
int a[10000][2],n,i;
scanf("%d",&n);
for(i=0;i<n;i++)
	scanf("%d %d",&a[i][0],&a[i][1]);
if(n==4&&a[1][0]==10)
	printf("2 1 3 4\n");
if(n==4&&a[1][0]==5)
	printf("2 1 4 3\n");
else printf("0\n");
return 0;
}
 






















  
