proc parenNoSpace(n: int,
                  f: float,
                  str: string) =
  echo "0"


proc parenOneSpace( n: int,
                    f: float,
                    str: string ) =
  echo "1"

proc parenTwoSpaces(  n: int,
                      f: float,
                      str: string  ) =
  echo "2"
