2133

//
//  2133.cpp
//  AlgorithmTest
//
//  Created by 김무열 on 2017. 4. 14..
//  Copyright © 2017년 김무열. All rights reserved.
//

#include <iostream>
#include <vector>
using namespace std;

vector<pair<int, int>> block;

void go(vector<pair<int, int>> &block, int n){
    for(int i = 0 ; )
}

int main(void){
    int n;
    cin >> n;
    block.push_back(make_pair(2, 1));
    block.push_back(make_pair(2, 2));
    block.push_back(make_pair(2, 3));
    block.push_back(make_pair(4, 1));
    block.push_back(make_pair(4, 2));
    
    
    
    
    return 0;
}