def primes():
	prime = True
	i = 1
	while True:
	    i += 1
	    for j in range(2, i):
	        if i % j == 0:
	            prime = False
	    if prime:
	        yield i
	    else:
	        prime = True

p = primes()

for i in range(7):
    print(next(p))