Minimum Moves - JAVA

package com.company;
import java.util.*;


public class Problem {

    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        String number = sc.next();

        int result = minimiseMoves(number, n);
        System.out.println(result);
    }


    public static int minimiseMoves(String number, int n) {
        int moves = 0;
        moves += (number.charAt(n-1) - '0');

        for(int i=0; i < n-1; i++){
            if(number.charAt(i) != '0')
                moves += (number.charAt(i) - '0' + 1);
        }

        return moves;
    }
}