#include<iostream>
using namespace std;
double calculatesalary(double salary,double,percent)
{
    double bonus=salary*percent/100;
    return salary+bonus;
}
int main(){
double salary,percent;
cin>>salary>>percent;
if(percent<0||percent>100){
    cout <<"Invalid input";
    return 0;
}
double newslary=calculatesalary(salary,percent);
cout<<newsalary;
return 0;
}