import math

def div(n):
	divisores = []

	for i in range(1,n+1):
		if n % i == 0:
			divisores.append(i)
	return divisores

def isprime(n):
	d = div(n)
	if len(d) == 2:
		return True
	else:
		return False

for i in range(0,200):
	if isprime(i):
		print(i)