#include <iostream>
#include <cmath>
using namespace std;
int main(){
double R,M,Y;
cin >> R >> M >> Y;
int w = M * pow((1+R/100),Y);
printf("%d",w);
return 0;
}
#include <iostream>
using namespace std;
int main(){
double R,M,Y;
cin >> R >> M >> Y;
for (int i=0;i<Y;i++){
M = M * (1 + R/100);
}
printf("%d",(int)M);
return 0;
}