import java.util.*; public class KODGENERATOR { private static Scanner scan;  public static void main(String[] args){ scan = new Scanner(System.in); Random r = new Random(); String[] q = {"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"}; System.out.println("\nFexriElxanMiresrefin kod generatoru______________"); System.out.print("Nece Simvollu Kod Isteyirsiniz??????\t"); int F = scan.nextInt(); int E = 0 -  F; int X= F/2; int R = 0 - X; int I = (E-1) / 3;  if(F%2 ==0){ for(int x = R; x < 0; x++){ int alphaNum = r.nextInt(26); System.out.print(q[alphaNum]); int numNum = r.nextInt(10); System.out.print(numNum); } } else{ for(int x = I ; x < 0; x++){ int alphaNum = r.nextInt(26); System.out.print(q[alphaNum]); int numNum = r.nextInt(10); System.out.print(numNum); } int numNum = r.nextInt(10); System.out.print(numNum);   } System.out.println("\n______________\n"); System.out.println("By_Fexri_Nifdalizade");