/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static boolean contains(int[] a, int[] b) {
	  int i=0,j=0;
	  while(i<a.length && j<b.length){
	    if(a[i]==b[j])
	      j++;
	    i++;
	  }
	  return j==b.length;
	}
 
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println(contains(new int[]{1, 2, 3, 4, 2, 1, 3, 4}, new int[]{2, 3, 4}));
		System.out.println(contains(new int[]{1, 2, 3, 4, 2, 1, 3, 4}, new int[]{1, 4, 3}));
		System.out.println(contains(new int[]{1, 2, 3, 4, 2, 1, 3, 4}, new int[]{3, 3, 2}));
		System.out.println(contains(new int[]{1, 2, 3, 4, 2, 1, 3, 4}, new int[]{1, 1, 2}));
		System.out.println(contains(new int[]{1, 2, 3, 4, 2, 1, 3, 4}, new int[]{}));
		System.out.println(contains(new int[]{}, new int[]{1, 2, 3}));
	}
}

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