#include<iostream>
#include<fstream>
using namespace std;
int main ()
{
    ifstream x("fractii.in");
    ofstream y("fractii.out");
    unsigned int n,i,j,v[1000009];
    x>>n;
    for(i=1;i<=n;i++)
        v[i]=i-1;
        for(i=1;i<=n;i++)
        {
             for(j=2*i;j<=n;j+=i)
             v[j]-=v[i];
        }
        for(i=1;i<=n;i++)
        {
            cout<<v[i]<<'-'<<i;
            cout<<' ';
        }
        y<<v[n];
        x.close();
        y.close();
        return 0;
}