#include<bits/stdc++.h>
using namespace std;
const int maxn=1e3+7;
int vis[2000][2000];
vector<int>a,b;
int main()
{
    cin.tie(0);
    cout.tie(0);
    std::ios::sync_with_stdio(false);
    long long n;
    cin>>n;
    long long num;
    for(long long i=0ll;;i++)
    {
    	if((1ll<<i)>n)
        {
            num=i+1;
            break;
        }
	}
    long long point=num+1ll;
    long long con=(point)*(point-1ll)/(2ll);
    long long d=(1ll<<(num-1ll))-n;
    if(d==0ll)
    {
        cout<<point<<" "<<con<<"\n";
        for(long long i=1ll;i<point;i++)
        {
        	for(long long j=i+1ll;j<=point;j++)
        	{
        		cout<<i<<" "<<j<<"\n";
			}
		}
            
        return 0;
    }
    for(long long i=num;i>=0;i--)
    {
        long long p=(1ll<<i);
        if(d>=p)
        {
            d-=p;
            vis[2+i][point]=1;
            con--;
        }
    }
    cout<<point<<" "<<con<<"\n";
    for(int i=1ll;i<point;i++)
    {
    	for(int j=i+1ll;j<=point;j++)
    	{
    		if(vis[i][j]==0)
    		{
    			cout<<i<<" "<<j<<"\n";
			}
		}
	}
        
    return 0;
}
/*
??? 
A?air  R????? I???  S??? H????1 K????2 L????3 B????? N????? 
G??? 
????????????? 

count?6+14+30+12+5+31+5+......=0

A:267R:157I:67S:73H:8K:33L:2B:32N:60G:5

??? 

A A A A A A A A A A A A A I A A A A A A A A A A A A A A 
A A A A A A A A A A A A A I I A A A R A A A A A A A A A
A A A A A A A A A A A A A I I A R R R R R A A A A A A A
A A A A A A A A A A A A I S I R R R R R R R H A A A A A
A A A A A A A A A A A A I S S I R R N N R R R R A A A A
A A A A A A A A A A H R I S S I N N N N N N R R R A A A
A A A A A A A A A R R I S S S I N N N N N N N R R R R H
R A A A A A A A A R R I S S S S I N N N N N N R R R R R
R R R A A A A A A A I I S B S S I N N N N R R R R R R R
R R R R H A A A K I I S S B B S I I I R R R R R R R R R
R R R R R R I I I S S S B B B S S S S I I I R R R R R R
R R N I I I S S S S S B B G B B B S S S S S I I I N R R
R R I I S S S S S B B B G G G B B B B S S S S B I I R R
R R N N I I I S S S S B B G B B S S S S B I I L N N R R 
R R N N N N N I I I S S S B B S S B I I I H N N N N R R
R R N N N N N R R R I S S B B S I I A A A A A R N N R R
R R N N N N N R R R R I S B S S I A A A A A A A A R R R
R R R N N N N R R R R I S S S B L R H A A A A A A A H R
R R R R N N N R R R R I S S S I R R R A A A A A A A A A
A A R R R R N R R R R R I S S I R A A A A A A A A A A A
A A A H R R R R R R R R I S B K A A A A A A A A A A A A
A A A A A R R R R R R R I S I A A A A A A A A A A A A A
A A A A A A A R R R R R A I I A A A A A A A A A A A A A
A A A A A A A A A R A A A I I A A A A A A A A A A A A A
*/