import math
a, b, c = [ int(v) for v in input().split() ]

def f(x):
    # print(x, x**3 + a* x**2 + b*x + c)
    return x**3 + a* x**2 + b*x + c
def solve_df_dx():
    return (- a - (a*a - 3 * b)**0.5 ) / 3, (- a + (a*a - 3 * b)**0.5 ) / 3

ans = set([])
ca, cb = solve_df_dx()
lr = math.floor(ca)
ml = math.ceil(ca)
mr = math.floor(cb)
rl = math.ceil(cb)

ll = -10**9
rr = 10**9


while(True):
    lmid = (ll + lr) // 2
    if f(ll) == 0:
        ans.add(ll)
        break
    elif f(lr) == 0:
        ans.add(lr)
        break
    else:
        
        if f(lmid) >= 0:
            lr = lmid
        else:
            ll = lmid
    

while(True):
    if f(rl) == 0:
        ans.add(rl)
        break
    elif f(rr) == 0:
        ans.add(rr)
        break
    else:
        rmid = (rl + rr) // 2
        if f(rmid) >= 0:
            rr = rmid
        else:
            rl = rmid

while(True):
    if f(ml) == 0:
        ans.add(ml)
        break
    elif f(mr) == 0:
        ans.add(mr)
        break
    else:
        mmid = (ml + mr) // 2
        if f(mmid) <= 0:
            mr = mmid
        else:
            ml = mmid
    
print(*sorted(list(ans)))