import java.util.Arrays;
public class MySecondProgramme {

	public static void main(String[] args) {
		int [] data1={1,2,3};
		int [] data2={3,2,1};
		int [] data3={};
		System.out.println(Arrays.toString(data3));


	}
	static int union(int [] data1,int [] data2){
	int x=data1.length+data2.length;

	int [x] data3;


		for(int i=0,j=0;j<data2.length&&i<data1.length;i++,j++){
			int [x] data3={data1[0],data1[1],data1[2],data2[0],data2[1],data2[2]};

			return data3[x];

		}

			}