#include<iostream>
using namespace std;
class loan{
     public:
     loan(){
         int loanAmout,time,total;
         float ratew;
         cin>>loanAmount;
         cin>>rate;
         cin>>time;
         
         if(loanAmount<0) || rate<0 ||time<0
         {
             cout<<"Invalid input"
             return;
         }
         float interest =(loanAmount *ratew*time)/100;
         float totalPayable=loanAmount+interest;
         
         cout<<totalPayable;
         
     }
};
int main()
{
    loan obj;
    return 0;
}