import java.util.*; import java.io.*; import java.math.*; public class Main { public static void main(String[]args){ Scanner sc = new Scanner(System.in); PrintWriter ou = new PrintWriter(System.out); int n = Integer.parseInt(sc.next()); sc.close(); double yo = 0.9999; if(n==2){ ou.println("y"); ou.println(2); ou.flush(); } else{ ou.println("m"); for(int j=2;j