import java.io.BufferedReader;
import java.io.InputStreamReader;
 
class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
		String[] params1 = bufferedReader.readLine().split(" ");
		String s = "";
		char a;
		a = params1[0].charAt(0);
		float b;
		s += a;
        b = Integer.parseInt(params1[1]);
        System.out.println((int)(((2+3*(b-1))*b)/2));
		for(int i = 0;i < b;i++){
			for(int j=1;j<b-i;j++){
                System.out.print(" ");
            }
            System.out.print(s);
			s=a+s+a;
			System.out.print("\n");
		}
	}
}

aW1wb3J0IGphdmEuaW8uQnVmZmVyZWRSZWFkZXI7CmltcG9ydCBqYXZhLmlvLklucHV0U3RyZWFtUmVhZGVyOwogCmNsYXNzIE1haW4KewoJcHVibGljIHN0YXRpYyB2b2lkIG1haW4gKFN0cmluZ1tdIGFyZ3MpIHRocm93cyBqYXZhLmxhbmcuRXhjZXB0aW9uCgl7CgkJQnVmZmVyZWRSZWFkZXIgYnVmZmVyZWRSZWFkZXIgPSBuZXcgQnVmZmVyZWRSZWFkZXIobmV3IElucHV0U3RyZWFtUmVhZGVyKFN5c3RlbS5pbikpOwoJCVN0cmluZ1tdIHBhcmFtczEgPSBidWZmZXJlZFJlYWRlci5yZWFkTGluZSgpLnNwbGl0KCIgIik7CgkJU3RyaW5nIHMgPSAiIjsKCQljaGFyIGE7CgkJYSA9IHBhcmFtczFbMF0uY2hhckF0KDApOwoJCWZsb2F0IGI7CgkJcyArPSBhOwogICAgICAgIGIgPSBJbnRlZ2VyLnBhcnNlSW50KHBhcmFtczFbMV0pOwogICAgICAgIFN5c3RlbS5vdXQucHJpbnRsbigoaW50KSgoKDIrMyooYi0xKSkqYikvMikpOwoJCWZvcihpbnQgaSA9IDA7aSA8IGI7aSsrKXsKCQkJZm9yKGludCBqPTE7ajxiLWk7aisrKXsKICAgICAgICAgICAgICAgIFN5c3RlbS5vdXQucHJpbnQoIiAiKTsKICAgICAgICAgICAgfQogICAgICAgICAgICBTeXN0ZW0ub3V0LnByaW50KHMpOwoJCQlzPWErcythOwoJCQlTeXN0ZW0ub3V0LnByaW50KCJcbiIpOwoJCX0KCX0KfQ==

QSAz

A 3