using System;
public class Program
{
public static void Main()
Console.WriteLine("Hello World");
new Potato("yolo").write();
}
class Potato
string y;
int v;
public Potato(string f, int i=0)
y=f;
v=i;
public void write()
Console.WriteLine(y+v);
public Potato(string s)
new Potato(s);