View Code of Problem 77

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scanner=new Scanner(System.in);
		String string=scanner.next();
		for (int i = 0; i < string.length(); i++) {
			if (i==string.length()-1) {
				System.out.print(string.charAt(i));
			}else {
				System.out.print(string.charAt(i)+" ");
			}
		}
	}
	
}