#include<iostream>
using namespace std;
int main(){
    int loanAmount, timePeriod;
    float rateofInterest;
    cin>>loanAmount;
    cin>>rateofInterest;
    cin>>timePeriod;
    
    if(loanAmount<0 || rateofInterest<0 || timePeriod<0){
        cout<<"Invalid input";
        return 0;
    }
    float interest = (loanAmount * rateofInterest*timePeriod)/100.0f;
    int totaLPayable = static_cast<int>(loanAmount + interest);
    cout<< totalPayable;
    return 0;
}