
#include <stdio.h>

int main(){
    int i=0;
    int s[i],p[i],q;
    int x[i],y[i];
    int a,b;
    int m[i],n[i];
    int c,d;
    int j;
    
    m[i]=a*(100+x[i])/100;
    n[i]=b*(100+x[i])/100;
  
    scanf("%d %d %d",&x[0],&y[0],&s[0]);
    while (!(x==0&&y==0&&s==0)) {
        scanf("%d %d %d",&x[i],&y[i],&s[i]);
        i++;
    }
    for (j=0;j<i;j++) {
        p[j]=0;
        for(a=1;a<s[j];a++) {
            for (b=a;b<s[j];b++){
                if (m[j]+n[j]==s[j]) {
                    c=a*(100+y[j])/100;
                    d=b*(100+y[j])/100;
                    q=c+d;
                    if (q>p[j]) {p[j]=q;
                    }
                    
                }
            }
        }
        printf("%d\n",p[j]);
    }
    
    return 0;

}