// editor1
#include<iostream>
using namespace std;
double calNewSal(double salary, double bonuspercent) {
    return salary + ( salary * bonuspercent / 100);
}
int main() {
    double salary, bonuspercent;
    cin >> salary >> bonuspercent;
    
    if (bonuspercent < 0 || bonuspercent > 100) {
        cout << "Invalid input";
        return 0;
    }
    double updateSalary = calNewSal(salary,bonuspercent);
    cout << updateSal;
    
    return 0;
}