static void Main(String[] args)
{
bool x = true;
for (int a = 0; a < 15; a++)
{
string temp = Console.ReadLine();
if (temp.Contains("java"))
{
Console.WriteLine("Java");
x = false;
break;
}
else if (temp.Contains("stdio"))
{
Console.WriteLine("C");
x = false;
break;
}
}
if (x)
Console.WriteLine("Python");
}