day = int(input("Enter the day of week:"))

if(day == 1):
    print("It's Monday")

elif(day == 2):
    print("It's TUesday")

elif(day == 3):
    print("It's Wednesday")

elif(day == 4):
    print("It's Thursday")

elif(day == 5):
    print("It's Friday")

elif(day == 6):
    print("It's Saturday")

elif(day == 7):
    print("It's Sunday")

else:
    print("Invaid day")
   