#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) {
for (int j = 0; j < 4; ++j) {
int num = i | (j << 4);
int b = ((M[i] >> (j * 2) & 1) << 6);
b |= ((M[i] >> (j * 2 + 1) & 1) << 7);
num |= b;
//cerr << "i, j, num: " << i << ' ' << j << ' ' << num << '\n';
send(num);
}
}
}
#include "decoder.h"
#include "decoderlib.h"
#include <bits/stdc++.h>
using namespace std;
void decode(int N, int L, int X[]) {
vector<int> ans(N);
for (int i = 0; i < L; ++i) {
int ind = 0;
for (int j = 0; j < 4; ++j) {
ind |= ((X[i] & 1) << j);
X[i] >>= 1;
}
int ord = 0;
for (int j = 0; j < 2; ++j) {
ord |= ((X[i] & 1) << j);
X[i] >>= 1;
}
int b = X[i];
ans[ind] |= (b << (2 * ord));
}
for (int i = 0; i < N; ++i) {
output(ans[i]);
}
}
