Trouble with simple roulette game

[chadandersen1]

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import random
red=[1, 3, 5, 7, 9, 12, 14, 16, 18, 19, 21, 23, 25, 27, 30, 32, 34, 36]
black=[2, 4, 6, 8, 10, 11, 13, 15, 17, 20, 22, 24, 26, 28, 29, 31, 33, 35]
balance=5000
print("Welcome to Chad's Online Roulette game!")
print("Your starting balance is $50, or 5000 tokens.")
while True:
    betamount=int(input("How many tokens would you like to bet?"))
    betcolor=int(input("Bet on red (enter 1), black (enter 2), or green (enter 3)?"))
    roll=random.randint(-1,36)
    greenwin=betamount*35
    redblackwin=betamount*2
    balance=balance-betamount
    if betcolor is 1:
        if roll in red:
            balance=balance+redblackwin
            print("The roll was a " + str(roll) +".")
            print("Your balance is now "+ str(balance)+" tokens.")
        else:
            print("The roll was a " + str(roll) +".")
            print("Your balance is now "+ str(balance)+" tokens.")
    elif betcolor is 2:
        if roll in black:
            balance=balance+redblackwin
            print("The roll was a " + str(roll) +".")
            print("Your balance is now "+ str(balance)+" tokens.")
        else:
            print("The roll was a " + str(roll) +".")
            print("Your balance is now "+ str(balance)+" tokens.")
    elif betcolor is 3:
        if roll is 0 or roll is -1:
            balance=balance+greenwin
            print("The roll was a 0.")
            print("Your balance is now "+ str(balance)+" tokens.")
        else:
            print("The roll was a " + str(roll) +".")
            print("Your balance is now "+ str(balance)+" tokens.")
    if balance is 0:
                print("You have ran out of money. Better luck next time!")
                break

I fixed the if statements, and used the while True.