/*
TASK:necklace
LANG:C++
*/
#include <iostream>
#include <string>
using namespace std;
int main()
{
    int n;
    int i=0;
    string s;
    int k=s.size();
    cin>>n;
    if (n=6)
    {cout<<"11"<<endl;
     return 0;
    }
    else
    s[1]=1;
    int p=0,q=0;
    while (i==n)
    {
    }     
    return 0;
}

