n = 20
primes = []
for i in range(2, n + 1):
for j in range(2, int(i ** 0.5) + 1):
if i%j == 0:
break
else:
primes.append(i)
print(primes)
print([i for i in range(2, int(input("Enter your number: "))+1) if 0 not in [i%n for n in range(2, i)]])