import java.util.Scanner;

class Main {
    public static final char[] alphabet = new char[]{'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'};

    public static int getIndex(char character) {
        for(int i = 0; i < alphabet.length; i++) {
            if(character == alphabet[i])
                return i + 1;
        }
        return -1;
    }

    public static void createSpaces(int index) {
        for(int i = 0; i < index; i++) {
            System.out.print(" ");
        }
    }

    public static StringBuilder createLine(char character) {
        StringBuilder sb = new StringBuilder();
        for(int i = 0; i < getIndex(character); i++){
            sb.append(character);
            if(i + 1 != getIndex(character))
                sb.append(" ");
        }
        return sb;
    }

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        char character = scanner.next().charAt(0);
        int index = getIndex(character);
        int spacesAbove = index - 1;
        int spacesBelow = 1;

        for(int i = 1; i < getIndex(character); i++) {
            createSpaces(spacesAbove);
            System.out.print(createLine(alphabet[i - 1]));
            createSpaces(spacesAbove);
            System.out.println();
            spacesAbove--;
        }
        System.out.println(createLine(alphabet[getIndex(character) - 1]));

        for(int i = getIndex(character) - 1; i >= 1; i--) {
            createSpaces(spacesBelow);
            System.out.print(createLine(alphabet[i - 1]));
            createSpaces(spacesBelow);
            System.out.println();
            spacesBelow++;
        }
    }
}