Background

Description

Format

Input

Output

Samples

9

MON TUE WED THU FRI SAT SUN 
1 2 3 4 5 6 7
8 9 10 11 12 13 14 
15 16 17 18 19 20 21 
22 23 24 25 26 27 28 
29 30

6

MON TUE WED THU FRI SAT SUN 
1 
2 3 4 5 6 7 8 
9 10 11 12 13 14 15 
16 17 18 19 20 21 22 
23 24 25 26 27 28 29 
30

Limitation