Problem:
Day of Week

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.

Input

The input is given in the following format.

X

The input line specifies a day X (1 ≤ X ≤ 30) in September 2017.

Output

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.

Sample Input 1

1

Sample Output 1

fri

Sample Input 2

9

Sample Output 2

sat

Sample Input 3

30

Sample Output 3

sat

Solution in Python3 (judge verdict: Accepted)

X= int(input())


if(X + 7) % 7 == 0:
     print('thu')
elif(X + 8) % 7 == 0:
    print('wed')
elif(X + 9) % 7 == 0:
    print('tue')
elif(X + 10) % 7 == 0:
    print('mon')
elif(X + 11) % 7 == 0:
    print('sun')
elif(X + 12) % 7 == 0:
    print('sat')
elif(X + 13) % 7 == 0:
    print('fri')