using System;
public class Program
{
public static void Main()
string str;
Console.WriteLine("\nInput string");
str = Console.ReadLine();
Console.Write("\n" + IsWWW(str));
}
public static bool IsWWW(string str){
if(str[0] == 'w')
if(str.Substring(1, 2) == "ww")
return true;
return false;