import java.util.Scanner;

public class Question1 {
 public static void main(String[] args) {
  Scanner reader = new Scanner(System.in);
  System.out.println("What would you like me to check for consecutiveness?");
  String message = reader.nextLine();
  if ((consecIncrease (message) == true) || (consecDecrease (message)== true)) {
   System.out.format("The message has consecutive characters.");
  }
  else
  {
   System.out.format("The message does not have consecutive characters.");
  }
  
 } // end main

 // method 1
 public static boolean consecIncrease(String message) {
  boolean lowerCaseConsec = false;
  boolean upperCaseConsec = false;
  boolean numberConsec = false;
  boolean result = false;
  
  //should check one less than the message length.
  for (int i = 0; i < message.length() - 1; i++) {
   if ((message.charAt(i) >= 'a' && message.charAt(i) <= 'z')
      && (((message.charAt(i) == message.charAt(i + 1)+ ('a' - 'b'))
      || (message.charAt(i) == message.charAt(i + 1) + ('a' - 'B')))
      || (message.charAt(i+1)>= '0' && message.charAt(i+1)<= '9'))) {
    lowerCaseConsec = true;
   }
   else if ((message.charAt(i) >= 'A' && message.charAt(i) <= 'Z')
           && (((message.charAt(i) == message.charAt(i + 1)+ ('A' - 'B'))
           || (message.charAt(i) == message.charAt(i + 1) + ('A' - 'b')))
           || (message.charAt(i+1)>= '0' && message.charAt(i+1)<= '9'))) {
    upperCaseConsec = true;
   }
   else if ((message.charAt(i) >= '0' && message.charAt(i) <= '9')
           && (((message.charAt(i) == message.charAt(i + 1)+ ('0' - '1')))
           || (message.charAt(i+1) >= 'a' && message.charAt(i+1) <= 'z')
           || (message.charAt(i+1)>= 'A' && message.charAt(i+1)<= 'Z'))) {
    numberConsec = true;
   }
   else {
   result = false;
   }
  }// end for
  boolean finalResult = (lowerCaseConsec && upperCaseConsec && numberConsec && result);
  return finalResult;
 } // end method 1

 
 // method 2
 public static boolean consecDecrease(String message) {
  boolean lowerCaseConsec = false;
  boolean upperCaseConsec = false;
  boolean numberConsec = false;
  boolean result = false;
 
  for (int x = 0; x < message.length() - 1; x++ ) { 
   if ((message.charAt(x) >= 'a' && message.charAt(x) <= 'z')
      && (((message.charAt(x) == message.charAt(x+1) +('b' - 'a'))
      || (message.charAt(x) == message.charAt(x+1) + ('b' -'A')))
      || (message.charAt(x+1)>= '0' && message.charAt(x+1)<= '9'))) {
   lowerCaseConsec = true;
   } 
   else if ((message.charAt(x) >= 'A' && message.charAt(x) <= 'Z')
          && (((message.charAt(x) == message.charAt(x+1) + ('B' - 'A'))
          || (message.charAt(x) == message.charAt(x+1) + ('B' -'a')))
          || (message.charAt(x+1)>= '0' && message.charAt(x+1)<= '9'))) {
   upperCaseConsec = true;
   }
   else if ((message.charAt(x) >= '0' && message.charAt(x) <= '9')
           && (((message.charAt(x) == message.charAt(x+1) + ('2' - '1')))
           || (message.charAt(x+1) >= 'a' && message.charAt(x+1) <= 'z')
           || (message.charAt(x+1)>= 'A' && message.charAt(x+1)<= 'Z'))) { 
    numberConsec = true;
   }
   else {
    result = false;
   }
  }// end for
  boolean finalResult = (lowerCaseConsec && upperCaseConsec && numberConsec && result);
  return finalResult;
 }//end method 2
}