import java.util.Scanner ;
public class Max2nbr {
public static void main ( String[] args ) {
double nbr1;
double nbr2;
Scanner clavier = new Scanner ( System.in ) ;
nbr1 = clavier.nextDouble();
nbr2 = clavier.nextDouble();
if(nbr1 >= nbr2){
System.out.println(nbr1);}
else{
System.out.println(nbr2);}
}
}