import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); while(sc.hasNext()){ long n = sc.nextLong(); int ans = solve(n); if(ans==1){ System.out.println("Stan wins."); } else{ System.out.println("Ollie wins."); } } } private static int solve(long n){ if(n==1) return 0; long m = (long)Math.ceil(n/9.0); if(m==1) return 1; long l = (long)Math.ceil(m/2.0); return solve(l); } }