Salary payment algorithm

import math

salaries = [4352, 4536, 3224, 7686, 1243, 659, 633, 1324, 1254, 1678, 1160]
payments = [[0 for x in range(9)] for x in range(len(salaries))]
banknotes = [200, 100, 50, 20, 10, 5, 2, 1]

def doJob(i, salary):
    for j, banknote in enumerate(banknotes):
        if salary >= banknote:
            payments[i][j + 1] = int(math.floor(salary / banknote))
            salary = salary % banknote

for i, salary in enumerate(salaries):
    payments[i][0] = salary
    doJob(i, salary)

toPrint = ""
for payment in payments:
    toPrint += str(payment[0]) + ": "
    for i, value in enumerate(payment[1:]):
        if value is not 0:
            toPrint += "{0} x{1}, ".format(banknotes[i], value)
    toPrint += '\n'
print(toPrint)