import java.util.*; public class Main{ static void pattern(String str, int len) { for (int i = 0; i < len; i++) { int j = len - 1 - i; for (int k = 0; k < len; k++) { if (k == i || k == j) System.out.print(str.charAt(k)); else System.out.print(" "); } System.out.println(""); } } public static void main(String[] args) { String str = "PROGRAM"; int len = str.length(); pattern(str, len); } }