Problem: Toad Mikhail has an array of 2^k integers a_1, a_2, …, a_{2^k}.

Find two permutations p and q of integers 0, 1, …, 2^k-1, such that a_i is equal to p_i ⊕ q_i for all possible i, or determine there are no such permutations. Here ⊕ denotes the [bitwise XOR operation](https://en.wikipedia.org/wiki/Bitwise_operation#XOR).

Input

The first line contains one integer k (2 ≤ k ≤ 12), denoting that the size of the array is 2^k.

The next line contains 2^k space-separated integers a_1, a_2, …, a_{2^k} (0 ≤ a_i < 2^k) — the elements of the given array.

Output

If the given array can't be represented as element-wise XOR of two permutations of integers 0, 1, …, 2^k-1, print "Fou".

Otherwise, print "Shi" in the first line.

The next two lines should contain the description of two suitable permutations. The first of these lines should contain 2^k space-separated distinct integers p_{1}, p_{2}, …, p_{2^k}, and the second line should contain 2^k space-separated distinct integers q_{1}, q_{2}, …, q_{2^k}.

All elements of p and q should be between 0 and 2^k - 1, inclusive; p_i ⊕ q_i should be equal to a_i for all i such that 1 ≤ i ≤ 2^k. If there are several possible solutions, you can print any.

Examples

Input


2
0 1 2 3


Output


Shi
2 0 1 3 
2 1 3 0 


Input


2
0 0 0 0


Output


Shi
0 1 2 3 
0 1 2 3 


Input


2
0 1 2 2


Output


Fou

Solution (in CPP):

Solution:
#include <bits/stdc++.h>
using namespace std;
const int N = 4110;
int n, sum;
int a[N], p[N], q[N], at[N];
void fix(int x, int y) {
  int tmp = a[x] ^ q[x], k = at[tmp];
  if (k == x)
    return;
  else if (k == y)
    swap(p[x], p[y]), swap(at[p[x]], at[p[y]]);
  else {
    swap(p[x], p[k]), swap(at[p[x]], at[p[k]]);
    swap(q[y], q[k]);
    fix(k, y);
  }
}
int main() {
  scanf("%d", &n);
  n = 1 << n;
  for (int i = 0; i < n; i++)
    scanf("%d", &a[i]), sum ^= a[i], p[i] = q[i] = i, at[i] = i;
  if (sum) {
    puts("Fou");
    return 0;
  }
  puts("Shi");
  for (int i = 0; i < n; i++) {
    if ((p[i] ^ q[i]) != a[i]) fix(i, i + 1);
  }
  for (int i = 0; i < n; i++) printf("%d ", p[i]);
  puts("");
  for (int i = 0; i < n; i++) printf("%d ", q[i]);
}