def f(x, y, A):
    return (78_125 != y + 4*x) or (A > x) and (A > y)

'''
(известно) -> неизвестное = 1

(78_125 = y + 4*x) -> (A > x) and (A > y) = 1

x = 1 --> y = 78_121 --> (A > 1) and (A > 78_121) ==> A > 78_121
x = 19531 --> y = 1 --> (A > 19531) and (A > 1) ==> A > 19531

ответ: 78_122

'''

##maxA = 15625 # 78_125
##for A in range(0, maxA):
##    if all(f(x, y, A) for x in range(0, maxA) for y in range(0, maxA)):
##         ans = A
##         break
##print(ans)