#include<stdio.h>

int main()
{
    int n;
    
    scanf("%d",&n);
    int n1,n2,n3,n4,n5;
    scanf("%d",&n1);
    scanf("%d",&n2);
    scanf("%d",&n3);
    scanf("%d",&n4);
    scanf("%d",&n5);
   if(n==4)
   {
       printf("false");
       else
       {
           
       
       printf("1\n2");
      
   }
   return 0;
    
    
}