743C. Vladik and fractions codeforces

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    cin>>n;
    if(n==1)
        cout<<-1<<endl;
    else
    cout<<n<<' '<<n+1<<' '<<n*(n+1)<<endl;
    return 0;
}