#include "encoder.h"
#include "encoderlib.h"
#include "bits/stdc++.h"
using namespace std;
#define all(x) x.begin(), x.end()
#define pii pair<int,int>
#define pb push_back
void encode(int N, int M[])
{
int i;
for(i = 0; i < N; i++){
int x = M[i], bi = 0;
vector<int> bin;
int d = x;
while(d){
bin.pb(d % 4);
d /= 4;
}
for(int r: bin){
int mao = i;
mao |= (r << 6);
mao |= (bi<< 4);
bi+=2;
send(mao);
}
}
}
#include "decoder.h"
#include "decoderlib.h"
#include "bits/stdc++.h"
using namespace std;
#define all(x) x.begin(), x.end()
#define pii pair<int,int>
#define pb push_back
void decode(int N, int L, int X[])
{
int fin[N]; memset(fin,0,sizeof(fin));
for(int i = 0; i < L; i++){
int r = X[i];
int ind = (1<<4) - 1;
ind &= r;
r >>= 4;
int bin = (1<<2) - 1;
bin &= r;
r >>= 2;
if(r) fin[ind] |= (1<<bin);
}
for(int r: fin) output(r);
}
