//  Validator

#include <bits/stdc++.h>
#include "testlib.h"

using namespace std;

using i64 = long long;

const i64 MIN_N = 1;
const i64 MAX_N = 7;
const i64 MIN_A = -1;
const i64 MAX_A = 1 << 30;

int main(int argc, char** argv) {
    registerValidation(argc, argv);
    
    i64 N = inf.readLong(MIN_N, MAX_N, "N");
    inf.readEoln();
    for(i64 i = 0; i < (1LL << N); i++) {
        if(i > 0) inf.readSpace();
        i64 A = inf.readLong(MIN_A, MAX_A, "A");
    }
    inf.readEoln();
    inf.readEof();
    return 0;
}