#include <iostream>
using namespace(){
    int loan;
    float interset;
    int time;
    cin>>loan;
    cin>>interest;
    cin>>time;
    if((loan>0)&& (interest>0)&& (time>0)){
        int i=(loan*interest*time)/100;
        int total=loan+i;
        cout<<total;
    }
    else{
        cout<<"Invalid input";
    }
    return 0;
}