#include<iostream>
using namespace std;
int main()
{
    int loan,timep,total;
    float intrest,roi;
    cin>>loan;
    cin>>roi;
    cin>>timep;
    if(loan>=0 && roi>=0 && timep>=0)
{
    intrest=(loan*roi*timep)/100;
    total=loan+intest;
    cout<<total;
}
else
{
    cout<<"Invalid input";
}
}