/*No.1192 Tax Rate Changed*/

#include <stdio.h>

int main(void)
{
  FILE *fp;  
  int X_tax;        /*?¶?????¨???? ?????´???*/
  int Y_tax;        /*?¶?????¨???? ?????´???*/
  int X_price;      /*?????´????¨???????????¨??????????*/
  int Y_price;      /*?????´????¨???????????¨??????????*/
  int price_sum;    /*?¶?????¨?????????´???????????????????¨????????¨???????*/
  int max_price=0;  /*??°?¶?????¨??????§????¨????????¨???????????????§*/
  int price_A;      /*??????????????????????¨??????????????£?*/;
  int price_B ;     /*??????????????????????¨??????????????£?*/;

  fp = fopen("data1192.dat","r");

  if(fp==NULL){printf("???????????????????????????????????§????????????.\n");}

  else{
    while(fscanf(fp,"%d%d%d",&X_tax,&Y_tax,&price_sum)==3){
      if( X_tax<0 || X_tax>=100 || Y_tax<0 || Y_tax>=100 || price_sum<10 || price_sum>=1000){break;}

      for(price_A=1;price_A<1000;price_A++){ 
          for(price_B=999;price_B>0;price_B--){
	    X_price=(price_A*(100+X_tax)/100)+(price_B*(100+X_tax)/100);

          if(X_price==price_sum){
	    Y_price= (price_A*(100+Y_tax)/100)+(price_B*(100+Y_tax)/100);
	    }
         }
      if(max_price<Y_price){
	  max_price=Y_price;
        }
     } 
      printf("%d\n",max_price);
      max_price=0;
   }
    fclose(fp);
  }
  return 0;
}