#include<iostream>
using namespace std;
int main(){
    int loanAmount, timePeriod;
    float rateofinterest;
    cin>>loanAmouunt>>rateofinterest>>timePeriod;
    if (loanAmount<0 || rateofinterest<0 || timePeriod<0){
        cout<<"invalid input"<<endl;
    }
    else{
        float interst =(loanAmouunt*rateofinterest*timePeriod)/100;
        int totalPayable =loanAmount+ intrest;
        cout<<totalPayable<<endl;
    }
    return 0;
}