#!/usr/bin/env python3;
###############################################################################
# This program computes NFL passer ratings.
# 
# Copyright © 2020 Richard Lesh.  All rights reserved.
###############################################################################

import Utils

# Begin Main
try :
    input_str = Utils.prompt("Number of attempts: ")
    attempts = int(input_str)
    input_str = Utils.prompt("Number of completions: ")
    completions = int(input_str)
    input_str = Utils.prompt("Number of touchdown passes: ")
    touchdown_passes = int(input_str)
    input_str = Utils.prompt("Number of interceptions: ")
    interceptions = int(input_str)
    input_str = Utils.prompt("Number of passing yards: ")
    passing_yards = int(input_str)
    input_str = Utils.prompt("1 for NFL or 2 for NCAA: ")
    which = int(input_str)

    if (which == 1) :
        a = (completions / attempts - 0.3) * 5.
        b = (passing_yards / attempts - 3.) * 0.25
        c = touchdown_passes / attempts * 20.
        d = 2.375 - (interceptions / attempts * 25.)
        RATING = (a + b + c + d) / 6. * 100.
        print("NFL Passer rating: {0:.1f}".format(RATING))
    else :
        a = 8.4 * passing_yards
        b = 330. * touchdown_passes
        c = 100. * completions
        d = 200. * interceptions
        RATING = (a + b + c - d) / attempts
        print("NCAA Passer rating: {0:.1f}".format(RATING))
except ValueError as ex :
    print("Bad input! " + str(ex))
except Exception as ex :
    print("Don't know what went wrong!")