# Another program to make change
# Matt Bishop, July 11, 2012
# for COSMOS 2012, Cluster 4

#
# print the amount in a gramatically correct way
#
def prnumber(amt, sing, plur):
    # if there's 1 -- singular
    if amt == 1:
        print(amt, sing, end=' ')
    # otherwise it's plural
    else:
        print(amt, plur, end=' ')


# set flag for looping
go_on = "yes"

#
# loop making change until told to quit
#
while go_on == "yes":

    # get the amount to make change for
    temp = input("How many cents do you want me to make change for? ")
    change = pchange = int(temp)

    # take out the qurters
    nquarters = change // 25
    change %= 25

    # take out the dimes
    ndimes = change // 10
    change %= 10

    # take out the nickels
    nnickels = change // 5

    # what's left are the pennies
    npennies = change % 5

    # give the change
    prnumber(pchange, "cent", "cents")
    print("is", end=' ')
    prnumber(nquarters, "quarter", "quarters,")
    prnumber(ndimes, "dime,", "dimes,")
    prnumber(nnickels, "nickel, and", "nickels, and ")
    prnumber(npennies, "penny", "pennies")
    print("")

    # do another one?
    try:
        go_on = input("Again ('yes' for yes, anything else to stop): ")
    except EOFError:
        go_on = "no"