content: package v103;
  import java.io.BufferedReader;
  import java.io.FileReader;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.PrintWriter;
  import java.util.StringTokenizer;
  
  
  public class EuclidsGame_UVa10368 {
  
  	public static void main(String[] args) throws IOException 
  	{
  		Scanner sc = new Scanner(System.in);
  		PrintWriter out = new PrintWriter(System.out);
  		
  		while(true)
  		{
  			long x = sc.nextInt(), y = sc.nextInt();
  			if(x == 0 && y == 0)
  				break;
  			int turn = 0;
  			while(true)
  			{
  				if(x > y) { x ^= y; y ^= x; x ^= y; }
  				if(x == 0)
  				{
  					turn ^= 1;
  					break;
  				}
  				if(x<<1 <= y)
  					break;
  				
  				y -= x;
  				turn ^= 1;
  			}
  			out.println(turn == 0?"Stan wins" :"Ollie wins");
  		}
  		
  		out.flush();
  		out.close();
  	}
  
  	static class Scanner 
  	{
  		StringTokenizer st;
  		BufferedReader br;
  
  		public Scanner(InputStream s){	br = new BufferedReader(new InputStreamReader(s));}
  
  		public Scanner(FileReader r){	br = new BufferedReader(r);}
  
  		public String next() throws IOException 
  		{
  			while (st == null || !st.hasMoreTokens()) 
  				st = new StringTokenizer(br.readLine());
  			return st.nextToken();
  		}
  
  		public int nextInt() throws IOException {return Integer.parseInt(next());}
  
  		public long nextLong() throws IOException {return Long.parseLong(next());}
  
  		public String nextLine() throws IOException {return br.readLine();}
  
  		public double nextDouble() throws IOException { return Double.parseDouble(next()); }
  
  		public boolean ready() throws IOException {return br.ready();}
  
  		public boolean hasNext() throws IOException
  		{
  			while(br.ready() && (st == null || !st.hasMoreTokens()))
  				st = new StringTokenizer(br.readLine());
  			return st.hasMoreTokens();
  		}
  
  
  	}
  }