import math def is_prime(n): if n <= 1: return False if n == 2: print(n) return True if n > 2 and n % 2 == 0: return False divide = int(math.floor(math.sqrt(n))) for i in range(3, 1 + divide, 2): if n % i == 0: return False print(n) return True count = 0 num = int(input()) for n in range(1,1000): x = is_prime(n) count += x if count > num - 1: break