#include "encoder.h"
#include "encoderlib.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<bool> vb;
typedef vector<double> vd;
typedef vector<string> vs;
typedef vector<char> vc;
typedef vector<vi> vvi;
typedef pair<int,int> pii;
typedef vector<pii> vii;
typedef map<int, int> mii;
typedef vector<vl> vvl;
typedef pair<ll, ll> pll;
typedef vector<pll> vpl;
#define mod 1000000007
#define inf 10000000000000
#define F first
#define S second
#define nd '\n'
#define forn(i, x, n) for (int i = x; i < int(n); i++)
#define fornl(i, x, n) for(int i = x; i >= int(n); i--)
#define fnd(x, y) find(x.begin(), x.end(), y)
#define srt(x) sort(x.begin(), x.end())
#define debug(x) cout << #x << " = " << x << nd;
#define debugv(x, s) cout << #x << " = "; forn(i, 0, s) cout << x[i] << " "; cout << nd;
#define fastio ios_base::sync_with_stdio(false), cin.tie(0);
#define freop(in, out) freopen("in.txt", "r", stdin); freopen("out.txt", "w", stdout);
#define rmod(a, b) (a % mod - b % mod + mod) % mod
#define smod(a, b) (a % mod + b % mod) % mod
#define mmod(a, b) (a % mod) * (b % mod) % mod
#define yes cout << "YES" << nd
#define no cout << "NO" << nd
#define pb push_back
#define all(x) x.begin(), x.end()
void encode(int n, int v[])
{
int x = 0;
forn(i, 0, n){
forn(j, 0, 7){
if(v[i] & (1 << j)) x++;
send(x);
}
}
}
#include "decoder.h"
#include "decoderlib.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<bool> vb;
typedef vector<double> vd;
typedef vector<string> vs;
typedef vector<char> vc;
typedef vector<vi> vvi;
typedef pair<int,int> pii;
typedef vector<pii> vii;
typedef map<int, int> mii;
typedef vector<vl> vvl;
typedef pair<ll, ll> pll;
typedef vector<pll> vpl;
#define mod 1000000007
#define inf 10000000000000
#define F first
#define S second
#define nd '\n'
#define forn(i, x, n) for (int i = x; i < int(n); i++)
#define fornl(i, x, n) for(int i = x; i >= int(n); i--)
#define fnd(x, y) find(x.begin(), x.end(), y)
#define srt(x) sort(x.begin(), x.end())
#define debug(x) cout << #x << " = " << x << nd;
#define debugv(x, s) cout << #x << " = "; forn(i, 0, s) cout << x[i] << " "; cout << nd;
#define fastio ios_base::sync_with_stdio(false), cin.tie(0);
#define freop(in, out) freopen("in.txt", "r", stdin); freopen("out.txt", "w", stdout);
#define rmod(a, b) (a % mod - b % mod + mod) % mod
#define smod(a, b) (a % mod + b % mod) % mod
#define mmod(a, b) (a % mod) * (b % mod) % mod
#define yes cout << "YES" << nd
#define no cout << "NO" << nd
#define pb push_back
#define all(x) x.begin(), x.end()
void decode(int n, int l, int v[])
{
sort(v, v + l);
int x = 0;
for(int i = 0; i < l; i += 8){
int a = 0;
forn(j, i, i + 7){
a += (v[j] - x) * (1 << (j - i)); x = v[j];
}
output(a);
}
}
