View Code of Problem 54

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String nextLine = scanner.nextLine();
        String[] split = nextLine.split("");
        for (int i = 0; i < split.length; i++) {
            if(i == 0){
                System.out.print(split[i]);
            }else {
                System.out.print(" " + split[i]);
            }
        }
    }
}