balance = 4773
annualInterestRate = 0.2
aIR = annualInterestRate
mIR = aIR / 12
minPay = 10
remain = balance

while remain >= 0:
    minPay += 10
    month = 0

    while month < 12 and remain >= 0:
        remain = remain - minPay
        remain = remain + (remain * mIR)
        month += 1

print(minPay)