#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;
        int totalpayable = loanAmount + interest;
        cout << totalPayable;
        return 0;
        
    
}