import java.io.*;
import java.util.*;
public class Array2 {
public int[] revFill(int n) {
int[] rev = new int[n];
for (int j = 0; j < n; j++) {
rev[j] = n;
n = n-1;
}
return rev;
}
public String toString (int[] a){
String String1="";
for (int i = 0; i < a.length; i++){
String1= "" + a[i] + ", ";
}
return String1;
}
}