#include <iostream>
using namespace std;

int main()
{
    int loanAmount;
    float rateOfInterest;
    int timePeriod;
    
    cin>>loanAmount;
    cin>>rateOfInterest;
    cin>>timePeriod;
    
    if(loanAmount < 0 || rateOfInterest , 0 || timePeriod , 0)
    {
        cout<<"Invalid input";
    }
    else if
    {
        float interest = (loanAmount*rateOfInterest*timePeriod)/100;
        int totalAmount = loanAmount + interest;
        cout<<totalAmount;
    }
    else
    {
        cout<<"Invalid input";
    }
    return 0;
}