Klaudia

import sys
def delta(a,b,c):
    delta = b * b - 4 * a * c
    return delta

for line in sys.stdin:
    a,b,c = line.split()
    a = float(a)
    b = float(b)
    c = float(c)
    dela = delta(a,b,c)
    if dela < 0:
        print(0)
    elif dela == 0:
        print(1)
    elif dela > 0:
        print(2)