import java.util.*;
import java.io.*;
class BigSorting {
static String[] bigSorting(String[] arr) {
Arrays.sort(arr, new Comparator(){
public int compare(String s1, String s2){
int l1 = s1.length(), l2 = s2.length();
if(l1 > l2) return 1;
else if(l1 < l2) return -1;
int i = 0;
while(is2.charAt(i)) return 1;
else if(s1.charAt(i)