#include <iostream>

using namespace std;

void slozenost(int a) {
   for (int i = 2; i <= a-1; i += 1)
   {
       if (a % i == 0)
       {
           cout << "Slozen" << endl;
           return;
       }
   }
   cout << "Prost" << endl;
}

int main()
{
    int a;
    cin >> a;
    slozenost(a);
    return 0;
}