/*
Online Java - IDE, Code Editor, Compiler

Online Java is a quick and easy tool that helps you to build, compile, test your programs online.
*/

public class Main
{
    public static void main(String[] args) {
        System.out.println("Welcome to Online IDE!! Happy Coding :)");
        
        int [] nums = new int[]{100,4,20,1,3,2};
        int consecNumber;
        
        for (int i=0; i<nums.length;i++)
        {
            System.out.println("\nInitial value: " + nums[i]);
            
            for (int j=0; j<nums.length;j++)
            {
                if (j==i)
                {
                    j++;
                }
                
                if (j!=nums.length)
                {
                if (nums[j]==nums[i]+1)
                {
                    System.out.println("Consecutive number:" + nums[j]);
                    consecNumber=nums[j];
                }
                }
                
                for (int k=0; k<nums.length;k++)
                {
                    if (k==j)
                {
                    k++;
                }
                    
                if (k!=nums.length)    
                {
                    if (nums[k]==nums[j]+1)
                {
                    System.out.println("Consecutive number:" + nums[k]);
                    consecNumber=nums[k];
                }
                }
                
                
                    
                }
                
            }
            
        }
    }
}