Untitled

import java.util.*;
import java.lang.*;
import java.io.*;

class Codechef
{
    public static void pairArray(int numbers[]){
      
        for(int i=0;i<numbers.length; i++){
            int current=numbers[i];
            for(int j=i+1;j<numbers.length;j++){
                System.out.println("("+current+","+numbers[j]+")");
              
            }
            System.out.println();
        }
        
     
    }
	public static void main(String[] args) {
		int numbers[]={2,4,6,8,10};
		
		pairArray(numbers);
	}
}