#include <stdio.h>


int main() {

	int x, y, s, i, j = 0,k,A,B;
	int answer[10000] = { 0 };

	while (true) {
		scanf("%d %d %d", &x, &y, &s);
		if (x == 0 && y == 0 && s == 0)
			break;
		A = (100 + x) / 100;
		B = (100 + y) / 100;
		for (i = 1; i < s; i++){
			for (j = 1; j < s; j++){
				if (s == i*A + j*A) {
					if (answer[k] < i*B + j*B) {
						answer[k] = i*B + j*B;
					}
				}
			}
		}
		k++;
	}
	putchar('\n');
	for (i = 0; i < k; i++)
		printf("%d\n", answer[i]);

	return 0;
}