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