#!/bin/csh

set pwr2 = $1
set pwr3 = $2

if( $pwr2 != 1 || $pwr3 != 0 ) then
  if( $pwr3 == 1 ) then
    set pwr3 = 0
    @ pwr2++
  else
    set pwr3 = 1
    @ pwr2 -= 2
  endif
  set pwrs = ($pwr2 $pwr3)
else
  set pwrs = (0 0)
endif

echo $pwrs

exit 0
