pseudo code questions in accenture code example

Example: Accenture pseudocode Questions and Answers PDF

For input a = 5 & b = 5.
  function (input a, input b)
  If (a < b)
  return function (b, a)
  elseif (b != 0)
  return (a * function (a, b - 1))
  else
  return 0