The 9th day of September 2017 is Saturday. Then, what day of the week is the X-th of September 2017?
Given a day in September 2017, write a program to report what day of the week it is.
The input is given in the following format.
X
The input line specifies a day X (1 ≤ X ≤ 30) in September 2017.
Output what day of the week it is in a line. Use the following conventions in your output: "mon" for Monday, "tue" for Tuesday, "wed" for Wednesday, "thu" for Thursday, "fri" for Friday, "sat" for Saturday, and "sun" for Sunday.
1
fri
9
sat
30
sat