'''
nested for loop
STATUS: VERIFIED
8YMISOU,OTI PROTA TELEIONEI TO MESA LOOP KAI META TO EXOTERIKO!
'''

for i in range(1,5):
	for j in range(1,4):
		print i + j


'''
ANAMENOMENO APOTELESMA EINAI:
Output:

2
3
4
3
4
5
4
5
6
5
6
7
'''