INF = 10 ** 9
MOD = 10 **9 + 7
import sys
sys.setrecursionlimit(100000000)
dy = (-1,0,1,0)
dx = (0,1,0,-1)
from bisect import bisect_left

def main():
    s,t = input().split()
    holiday = ('Sun','Sat')
    if s in holiday and t in holiday:
        print('8/33')
    elif s in holiday:
        print('8/32')
    else:
        print('8/31')

if __name__=='__main__':
    main()