#include<iostream>
using namespace std;

int main(){
    
    int loan;
    float rate;
    int time;
    string interest;
    cin>>loan;
    cin>>rate;
    cin>>time;
    
    if(loan<0||rate<0||time<0){
        cout<<"Invalid input";
    }
    else{
        string interest=((loan*rate*time)/100);
        int toatal_payable=loan+interest;
        
        cout<<total_payable;
    }
    
}