halloween-sale.py

#!/bin/python3

import math
import os
import random
import re
import sys

# Complete the howManyGames function below.
def howManyGames(p, d, m, s):
    # Return the number of games you can buy
    counter = 0
    currentPrice = p;
    while s >= currentPrice:
        counter += 1
        s -= currentPrice;
        if (currentPrice - d) >= m:
            currentPrice = currentPrice -d
        else:
            currentPrice = m

    return counter;
if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    pdms = input().split()

    p = int(pdms[0])

    d = int(pdms[1])

    m = int(pdms[2])

    s = int(pdms[3])

    answer = howManyGames(p, d, m, s)

    fptr.write(str(answer) + '\n')

    fptr.close()