2 No Q

//thanks God For Every Thing!
//contest link:

//#include<bits/stdc++.h>
#include <iostream>
#include <fstream>
#include <string>
#include <algorithm>
#include <cmath>
#include <cstdio>

/*



*/
#define pi           acose(-1)
#define flush        cin.ignore(numeric_limits<streamsize>::max(),'\n');
#define wow          ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define NL           printf("\n")
#define fin          freopen("int.txt","r",stdin);
#define fout         freopen("out.txt","w",stdout);


using namespace std;

typedef long long int ll;
typedef double dl;

// ---------------------- slove---------------------------//


int main()
{
    fin
   fout
   int n;
   cin>>n;
   if(n<20) cout<<"Too Small"<<endl;
   else
   {
       if(n%2==0)
       {
           for(int i=n-1; i>0; i-=2)
           {
               if(i==1)
               {
                   cout<<i<<endl;
               }
               else
               {
                   cout<<i<<"-";
               }
           }
       }
       else
       {
           for(int i=n; i>0; i-=2)
           {
               if(i==1)
               {
                   cout<<i<<endl;
               }
               else
               {
                   cout<<i<<"-";
               }
           }
       }


   }



    return 0;
}
//author anikaksh;