611 B | 611 chars
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from decimal import Decimal
BLANK = " "
inp = input
# inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = BLANK : [*map(int,inp().split(x))]
mfi = lambda x = BLANK : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
S, P = mii()
for a in range(1, 60000):
b = (P - 2 * a) // 2
if a * b == S:
p(max(a, b), min(a, b))
break
else:
p(-1)
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()