for a in range(1, 1000):

flag = 1

for x in range(1, 10000):

F = ((x % 2 == 0) <= (x % 5 != 0)) or (x + a >= 70)

if not F:

flag = 0

break

if flag == 1:

print(a)

break

def F(x, A):

return ((x % 2 == 0) <= (x % 5 != 0)) or (x + A >= 70)

for A in range(1, 1000):

if all(F(x, A) for x in range(1, 10000)):

print(A)

break