Tax Rate Changed

Time Limit : 8 sec, Memory Limit : 65536 KB
Japanese version is here

Tax Rate Changed

VAT (value-added tax) is a tax imposed at a certain rate proportional to the sale price.

Our store uses the following rules to calculate the after-tax prices.

  • When the VAT rate is x%, for an item with the before-tax price of p yen, its after-tax price of the item is p (100+x) / 100 yen, fractions rounded off.
  • The total after-tax price of multiple items paid at once is the sum of after-tax prices of the items.

The VAT rate is changed quite often. Our accountant has become aware that "different pairs of items that had the same total after-tax price may have different total after-tax prices after VAT rate changes." For example, when the VAT rate rises from 5% to 8%, a pair of items that had the total after-tax prices of 105 yen before can now have after-tax prices either of 107, 108, or 109 yen, as shown in the table below.

Before-tax prices of two itemsAfter-tax price with 5% VATAfter-tax price with 8% VAT
20, 8021 + 84 = 10521 + 86 = 107
2, 992 + 103 = 1052 + 106 = 108
13, 8813 + 92 = 10514 + 95 = 109

Our accountant is examining effects of VAT-rate changes on after-tax prices. You are asked to write a program that calculates the possible maximum total after-tax price of two items with the new VAT rate, knowing their total after-tax price before the VAT rate change.

Input

The input consists of multiple datasets. Each dataset is in one line, which consists of three integers x, y, and s separated by a space. x is the VAT rate in percent before the VAT-rate change, y is the VAT rate in percent after the VAT-rate change, and s is the sum of after-tax prices of two items before the VAT-rate change. For these integers, 0 < x < 100, 0 < y < 100, 10 < s < 1000, and xy hold. For before-tax prices of items, all possibilities of 1 yen through s-1 yen should be considered.

The end of the input is specified by three zeros separated by a space.

Output

For each dataset, output in a line the possible maximum total after-tax price when the VAT rate is changed to y%.

Sample Input

5 8 105
8 5 105
1 2 24
99 98 24
12 13 26
1 22 23
1 13 201
13 16 112
2 24 50
1 82 61
1 84 125
1 99 999
99 1 999
98 99 999
1 99 11
99 1 12
0 0 0

Output for the Sample Input

109
103
24
24
26
27
225
116
62
111
230
1972
508
1004
20
7

Hints

In the following table, an instance of a before-tax price pair that has the maximum after-tax price after the VAT-rate change is given for each dataset of the sample input.

DatasetBefore-tax pricesAfter-tax price with y% VAT
5 8 105 13, 88 14 + 95 = 109
8 5 105 12, 87 12 + 91 = 103
1 2 24 1, 23 1 + 23 = 24
99 98 24 1, 12 1 + 23 = 24
12 13 26 1, 23 1 + 25 = 26
1 22 23 1, 22 1 + 26 = 27
1 13 201 1,199 1 +224 = 225
13 16 112 25, 75 29 + 87 = 116
2 24 50 25, 25 31 + 31 = 62
1 82 61 11, 50 20 + 91 = 111
1 84 125 50, 75 92 +138 = 230
1 99 999 92,899183+1789 =1972
99 1 999 1,502 1 +507 = 508
98 99 999 5,500 9 +995 =1004
1 99 11 1, 10 1 + 19 = 20
99 1 12 1, 6 1 + 6 = 7

Source: ACM International Collegiate Programming Contest , Japan Domestic Contest, Tokyo, Japan, 2014-07-11
http://icpc.iisf.or.jp/2014-waseda/