#include <stdio.h>

#include

#include <math.h>

#include

#include

#include

#include

using namespace std;

int main()

{

double m,y,r;

cin>>r>>m>>y;

r=1+r/100;

for(int i=1;i<=y;i++)

{

	m*=r;

}

cout<<(int)m<<endl;

return 0;

}