#include<iostream>
using namespace std;
double calculateSalary(double salary,double bonusPresent){
    double bonus=salary*bonusPresent/100;
    return salary + bonus;
}
int main(){
    double salary,bonusPercent;
    cin>>salary>>bonusPercent;
    if ( bonusPrecent<0||bonusPercent>100){
        cout<<"Invalid input";
    }
    else{
        double updateSalary=calculateSalary(salary,bonusPercent);
        cout<<updateSalary;
    }
    return 0;
}