a

total = 0

# command = "NoMoreMoney" OR "45.45"
# stop - > if command == "NoMoreMoney"
# continue -> command != "NoMoreMoney"
# repeat: sum like a number - IF
# if < 0 -> stop
# if >= 0 print sentence -> add to sum

command = input()

while command != "NoMoreMoney":
    total = float(command)
    if total < 0:
        print("Invalid operation!")
        break
    else:
        print(f"Increase: {total:.2f}")
        total_sum += total

    command = input()