def prime(n):

if n == 2:

return True

for i in range(2, int(n**0.5) + 1):

if n % i == 0:

return False

return True

def maxi_div(n):

deliteli = [0]

for i in range(2, int(n**0.5)+1):

if n%i == 0:

if prime(i):

deliteli.append(i)

if prime(n//i):

deliteli.append(n//i)

return max(deliteli)

count = 0

for i in range (1750001, 10**10):

maxi = maxi_div(i)

if maxi <= 15000 and maxi % 10 == 7:

print(i)

i += 1

count += 1

if count == 5:

break