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package com.test.dobleNumSum;

import javax.naming.InitialContext;

public class test11 {
	//Լɪ������   
	static int  a []=new int[20];
	static boolean b[]=new boolean[20];
	static int num=1;
	static void init(int a[],int num){
		for(int i=0;i<a.length;i++){
			a[i]=i+1;
			
		}
		int i=0;
		while(true){
			if(i==a.length-1){
				
						i=-1;
					
				
				
				
				
			}else{
				i++;
				
				if(b[i]==true){
					continue;
				}else{
					++num;
					if(num==3){
						num=0;
					b[i]=true;
					System.out.print(a[i]+" && ");
				}
			}
		}
		}	
		
	}
	public static void main(String[] args) {
		
			init(a, num);
			
				
	}
}