#include<iostream>
#include<cmath>
#include<algorithm>
using namespace std;

int main(void){
  int n;
  cin>>n;
  unsigned long long sum[3]={0};
  
  bool ans = true;
  
  for(int i = 1 ; i <= n ; i ++){
    sum[0] += i;
    sum[1] += 1 + i;
    sum[2] += 2 + i;
    //   for(int j = 0 ; j < 10 ; j ++)cout<<sum[j]<<" " ;
    //cout<<endl;
  }
  
  unsigned long long gcd =  __gcd(sum[0],sum[1]);
  for(int i = 2 ;i < 3 ; i ++){
    unsigned long long  num = sum[i];
    //cout<<sum[i]<<endl;
    gcd = __gcd(gcd,num);
  }
  cout<<gcd<<endl;
 
}