public OJump(JumpingFrogsShell jf) : base("o")
{
this.jf = jf;
}
public New(JumpingFrogsShell jf) : base("new")
{
this.jf = jf;
}
static void Main(string[] args)
{
Shell sh = new JumpingFrogsShell();
sh.ReadEvalPrint();
}
public XWalk(JumpingFrogsShell jf) : base("x")
{
this.jf = jf;
}