from time import time



def change(before_tax,after_tax,previous_price):

    #change z from taxrate x to taxrate y

    original_price = 0

    for i in range(1, previous_price+1):

        if i * (100 + before_tax) // 100 == previous_price:

            original_price = i

            break

        else:

            pass

    return original_price * (100 + after_tax) // 100



#l = []



while True:

    x,y,s = [int(x) for x in input().split()]

    if x == 0:

        break

    else:

        ans = 0

        for i in range(1,s):

            price1, price2 = i, s - i

            afterprice = change(x,y,price1) + change(x,y,price2)

            if afterprice > ans:

                ans = afterprice

            else:

                continue

        #l.append(ans)

        print(ans)

'''

for x in l:

    print(x)

'''

def change(before_tax,after_tax,previous_price):

    original_price = 0

    for i in range(1, previous_price+1):

        if i * (100 + before_tax) // 100 == previous_price:

            original_price = i

            break

        else:

            pass

    return original_price * (100 + after_tax) // 100



ans_list = []



while True:

    x,y,s = [int(x) for x in input().split()]

    if x == 0:

        break

    else:

        ans = 0

        for i in range(1,s):

            price1, price2 = i, s - i

            afterprice = change(x,y,price1) + change(x,y,price2)

            if afterprice > ans:

                ans = afterprice

            else:

                continue

        ans_list.append(ans)



for x in ans_list:

    print(x)

from time import time


def change(before_tax, after_tax, previous_price):
    # change z from taxrate x to taxrate y
    original_price = 0
    for i in range(1, previous_price + 1):
        if i * (100 + before_tax) // 100 == previous_price:
            original_price = i
            break
        else:
            pass
    return original_price * (100 + after_tax) // 100


# l = []
while True:
    x, y, s = [int(x) for x in input().split()]
    if x == 0:
        break
    else:
        ans = 0
        for i in range(1, s):
            price1, price2 = i, s - i
            afterprice = change(x, y, price1) + change(x, y, price2)
            if afterprice > ans:
                ans = afterprice
            else:
                continue
        # l.append(ans)
        print(ans)
"""
for x in l:
    print(x)
"""

def change(before_tax, after_tax, previous_price):
    original_price = 0
    for i in range(1, previous_price + 1):
        if i * (100 + before_tax) // 100 == previous_price:
            original_price = i
            break
        else:
            pass
    return original_price * (100 + after_tax) // 100


ans_list = []
while True:
    x, y, s = [int(x) for x in input().split()]
    if x == 0:
        break
    else:
        ans = 0
        for i in range(1, s):
            price1, price2 = i, s - i
            afterprice = change(x, y, price1) + change(x, y, price2)
            if afterprice > ans:
                ans = afterprice
            else:
                continue
        ans_list.append(ans)
for x in ans_list:
    print(x)

-from time import time - - -    # change z from taxrate x to taxrate y -# l = [] +ans_list = [] -        # l.append(ans) -        print(ans) -""" -for x in l: +        ans_list.append(ans) +for x in ans_list: -"""