#include<iostream>
using namespace std;
int main(){
    long long loanAmount;
    double ratyeOfInterest;
    int timePeriod;
    
    if(!(cin >> loanAmount>> rateOfInterest>> timePeriod)){
        return 0;
    }
    if(loanAmount<0|| rateOfInterest<0||timePeriod<0){
        cout<<"Invalid Input"<<endl;
    }else{
        double interest=(loanAmount*rateOfInterest*timePeriod)/100.0;
        long long totalPayable=loanAmount+(long long)interest;
        cout<<totalPayable<<endl;
    }
    return 0;
}