#include "encoder.h"
#include "encoderlib.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
void encode(int N, int M[])
{
int id = 0;
for(int i=0; i<N; i++){
for(int j = 0; j<8; j+=2){
int oc = (M[i] & (3<<j))>>j;
for(int k = 0; k<oc; k++){
send(id);
}
id++;
}
}
}
#include "decoder.h"
#include "decoderlib.h"
#include<bits/stdc++.h>
using namespace std;
void decode(int N, int L, int X[])
{
////cout<<"L "<<L<<endl;
vector<int> v(L);
for(int i = 0; i<L; i++){
v[i] = X[i];
}
sort(v.begin(), v.end());
reverse(v.begin(), v.end());
vector<int> res(N);
for(int pos = 0; pos<N*4; pos++){
int oc= 0;
while(v.size()>0 && v.back() == pos){
oc++;
v.pop_back();
}
//cout<<bitset<8>(oc<<((2*pos)%8));
res[pos/4] ^= (oc<<((2*pos)%8));
}
for(auto e: res){
output(e);
}
}
