import java.util.*;
import java.lang.*;
import java.io.*;
public class Main{
  public static void main(String agrs[])
  {
    Scanner in = new Scanner(System.in);
    PrintWriter out = new PrintWriter(System.out);
    double a = in.nextDouble();
    double b = in.nextDouble();
    out.println((long)(a * b));
    out.close();
  }
} import java.util.*; util.* java import java.lang.*; lang.* java import java.io.*; io.* java public class Main{
  public static void main(String agrs[])
  {
    Scanner in = new Scanner(System.in);
    PrintWriter out = new PrintWriter(System.out);
    double a = in.nextDouble();
    double b = in.nextDouble();
    out.println((long)(a * b));
    out.close();
  }
} Main public static void main(String agrs[])
  {
    Scanner in = new Scanner(System.in);
    PrintWriter out = new PrintWriter(System.out);
    double a = in.nextDouble();
    double b = in.nextDouble();
    out.println((long)(a * b));
    out.close();
  } main {
    Scanner in = new Scanner(System.in);
    PrintWriter out = new PrintWriter(System.out);
    double a = in.nextDouble();
    double b = in.nextDouble();
    out.println((long)(a * b));
    out.close();
  } Scanner in = new Scanner(System.in); in new Scanner(System.in) PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) double a = in.nextDouble(); a in.nextDouble() in.nextDouble in double b = in.nextDouble(); b in.nextDouble() in.nextDouble in out.println((long)(a * b)) out.println out (long)(a * b) a b out.close() out.close out String agrs[] agrs public class Main{
  public static void main(String agrs[])
  {
    Scanner in = new Scanner(System.in);
    PrintWriter out = new PrintWriter(System.out);
    double a = in.nextDouble();
    double b = in.nextDouble();
    out.println((long)(a * b));
    out.close();
  }
} public class Main{
  public static void main(String agrs[])
  {
    Scanner in = new Scanner(System.in);
    PrintWriter out = new PrintWriter(System.out);
    double a = in.nextDouble();
    double b = in.nextDouble();
    out.println((long)(a * b));
    out.close();
  }
} Main
import java.util.*;
import java.lang.*;
import java.io.*;
public class Main{
  public static void main(String agrs[])
  {
    Scanner in = new Scanner(System.in);
    PrintWriter out = new PrintWriter(System.out);
    double a = in.nextDouble();
    double b = in.nextDouble();
    out.println((long)(a * b));
    out.close();
  }
}