#!/bin/csh

set pwr1 = ($1 $2)
set pwr2 = ($3 $4)

@ num1 = `./.pwr2num $pwr1`
@ num2 = `./.pwr2num $pwr2`

if( $num1 <= $num2 ) then
  echo $pwr1
else
  echo $pwr2
endif

exit 0
