import java.io.*;
import java.util.*;
public class codingBat {
/* Given two int arrays,a and b, each length 3,return
a new array length 2 containing their middle elements */
public int[] middleWay(int[] a, int[] b) {
int[] middleInts = new int[2];
middleInts[0] = a[1];
middleInts[1] = b[1];
return middleInts;
}
/* Given an array of ints, return a new array length 2 containing
the first and last elements from the orginal array. The original
array will be length 1 or more */
public int[] makeEnds(int[] nums) {
int[] endPoints = new int[2];
endPoints[0] = nums[0];
endPoints[1] = nums[nums.length - 1];
return endPoints;
}
/* Given a number n, create and return a new array of length n,
containing numbers 0, 1,2,...,n-1. The given n may be 0, in which
case return a length 0 array */
public int[] fizzArray(int n) {
int[] Fizz = new int[n];
for (int i=0; i<n; i++)
Fizz[i] = i;
return Fizz;
}
/* Given an array of ints, return true if every element is a 1 or 4 */
public boolean only14(int[] nums) {
int i= 0;
while (i<nums.length){
if (nums[i]==1 || nums[i]==4)
i++;
else
return false;}
return true;
}
}