#include<iostream>
using namespace std;
int main()
{
    int loan_amount;
    float rate_of_intrest;
    int time_period;
     int total_payable_amount;
     float intrest;
     
    cin>> loan_amount;
    cin>>rate_of_intrest;
    cin>>time_period;
    
    if( loan_amount<0))
    {
        cout<<"Invalid input";
    }
    else if(rate_of_intrest<0)
    {
       cout<<"Invalid input"; 
    }
    else if(time_period<0)
    {
       cout<<"Invalid input"; 
    }
    
    else
    {
        intrest=(loan_amount*rate_of_intrest*time_period)/100;
        cout<<total_payable_amount;
        return 0;
    }
}