fin = open('input.txt', 'r', encoding='utf-8')
fout = open('output.txt', 'w', encoding='utf-8')

solution = 0

a = int(fin.readline())
b = int(fin.readline())
c = int(fin.readline())
d = int(fin.readline())
e = int(fin.readline())

for x in range(1001):
    if x - e != 0 and a * x ** 3 + b * x ** 2 + c * x + d == 0:
        solution += 1

print(solution, file=fout)

fin.close()
fout.close()