#!/usr/bin/python

# P2PU - Python Programming 101 - Chapter 6 - Flow Control
# Python for Informatics - Chapter 3 - Conditional Execution
# Exercise 3.2
print '\n# Exercise 3.2\n'
try:
  hours = float(raw_input('Enter Hours: '))
  rate  = float(raw_input('Enter Rate : '))
  pay   = hours * rate
  if hours > 40 : pay = pay + (hours - 40) * rate * 0.5
  print 'Pay:', round(pay,2)
except:
    print 'Error, please enter numeric input!'