import java.util.*;
class Example{
public static void main(String asrgs[]){
System.out.println(64); //prints 64.
System.out.println(0X64); //Prints 100, Hex
System.out.println(0X1A); //Prints 26
System.out.println(0X1a); //Prints 26
}
}
public class Main
{
public static void main(String args[])
{
System.out.println(Integer.parseInt("f",16));
}
}