// editor1
#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 newsalary=calculateslary(salary,percent);
    cout<<newsalary;
    return 0;
}