service1_cost = 0
service2_cost = 0

print("Davy's auto shop services")
print("Oil change -- $35\nTire rotation -- $19\nCar wash -- $7\nCar wax -- $12\n")

service1 = input("Select first service:\n")
service2 = input("Select second service:\n")

if service1 == "Oil change":
   service1_cost = 35

elif service1 == "Tire rotation":
   service1_cost = 19

elif service1 == "Car wash":
   service1_cost = 7

elif service1 == "Car wax":
   service1_cost = 12

elif service1 == "-":
   service1 = "No service"
   service1_cost = 0

if service2 == "Oil change":
   service2_cost = 35

elif service2 == "Tire rotation":
   service2_cost = 19

elif service2 == "Car wash":
   service2_cost = 7

elif service2 == "Car wax":
   service2_cost = 12

elif service2 == "-":
   service2 = "No service"
   service2_cost = 0


print("\nDavy's auto shop invoice\n")

if service1 == "No service":
   print("Service 1: " + service1)
else:
   print("Service 1: " + service1 + ", $" + str(service1_cost))

if service2 == "No service":
   print("Service 2: " + service2)
else:
   print("Service 2: " + service2 + ", $" + str(service2_cost))

print("\nTotal: $" + str(service1_cost + service2_cost))
