for a in range(300,0,-1):

k = 0

for x in range(0, 300):

for y in range(0, 300):

if (y + 3 * x > a) or (x < 20) or (y < 50):

k += 1

if k == 90_000:

print(a)

break

for a in range(300,0,-1):

flag = True

for x in range(0, 300):

for y in range(0, 300):

if not((y + 3 * x > a) or (x < 20) or (y < 50)):

flag = False

if flag == True:

print(a)

break