import java.util.Scanner;

public class FunctionCalculator {
    public static void main(String[] args) {

        System.out.println("Please enter x");
        Scanner scanner = new Scanner(System.in);
        double x = scanner.nextDouble();
        double fnc = Math.log(Math.sin(x) + (Math.exp(x) * ((Math.sqrt(x) / Math.PI))));
                System.out.println(fnc);


    }
}