Word Potential

import java.util.*;
public class WordPotential
{
    public static void main(String args[])
    {
        String str="";
        char ch=' ';
        int l=0,pot=0;
        Scanner sc=new Scanner(System.in);
        System.out.print("Enter a word: ");
        str=sc.next();
        str=str.trim();
        l=str.length();
        for(int i=0;i<l;i++)
        {
            ch=str.charAt(i);
            pot=pot+ch;
        }
        System.out.println("Potential of the word: "+pot);
    }
}