import std.stdio;
import std.conv;
import std.string;
import std.typecons;
import std.algorithm;
import std.array;
import std.range;
import std.math;
import std.regex : regex;
import std.container;

void main()
{
	while (1) {
		auto x = readln.chomp.split.map!(to!int);
		if (x[0] == 0) break;
		int res;
		foreach	(i; 1..x[2]) {
			foreach (j; i..x[2]) {
				auto pl = i * (100+x[0]) / 100 + j * (100+x[0]) / 100;
				if (pl == x[2]) {
					auto npl = i * (100+x[1]) / 100 + j * (100+x[1]) / 100;
					res = max(res, npl);
				}
			}
		}
		res.writeln;	
	}
}