#include "encoder.h"
#include "encoderlib.h"
#include <bits/stdc++.h>
using namespace std;
void encode(int N, int M[]){
for(int i = 0;i < N;i++){
int tmp = i;
for(int j = 4;j<16;j++){
if((1<<(j-4)) & M[i])
tmp |= (1<<j);
}
send(tmp);
}
}
#include "decoder.h"
#include "decoderlib.h"
#include <bits/stdc++.h>
using namespace std;
int ar[20];
void decode(int N, int L, int X[]){
for(int i = 0;i<L;i++){
int p = 0;
for(int j = 0;j<4;j++){
if((1<<j) & X[i])
p |= (1<<j);
}
int numb = 0;
for(int j = 4;j<12;j++){
if((1<<j) & X[i])
numb |= (1<<(j-4));
}
ar[p] = numb;
}
for(int i = 0;i<N;i++)
output(ar[i]);
}
