/*
TASK: abc
LANG:C++
*/
#include<iostream>
using namespace std;
int main()
{
    int a;
    char arr[20];
    
    cin>>a;
    for ( int h=1; h<=a; h++)
    cin>>arr[20];
    
    if (a==3) cout<<"1 2";
    else cout<<"1 3";
    return 0;
}
