//2390
//题目大意：计算利息。 
#include<stdio.h>
#include<math.h> 
main()
{
	int interest,year;
	double money;
	while(~scanf("%d%lf%d",&interest,&money,&year))
	{
		money*=(pow(1+interest/100.0,year));
		printf("%d\n",(int)money);
	}
		
}