/* OUTPUT:
h,e,l,l,o
*/

// Fencepost solution to printing a String with commas
// between the letters.
public class Fence {
    public static void main(String[] args) {
        String s = "hello";
        System.out.print(s.charAt(0));
        for (int i = 1; i < s.length(); i++) {
            System.out.print("," + s.charAt(i));
        }
        System.out.println();
    }
}