01. Day of Week

# цяло число -> int
# проверка за числото -> 1 - Monday, 2 - Tuesday, 3 - Wednesday, 4 - Thursday, 5 - Friday
# 6 - Saturday, 7 - Sunday
number = int(input())
if number == 1:
    print('Monday')
elif number == 2:
    print("Tuesday")
elif number == 3:
    print("Wednesday")
elif number == 4:
    print("Thursday")
elif number == 5:
    print("Friday")
elif number == 6:
    print("Saturday")
elif number == 7:
    print("Sunday")
else:
    print("Error")