#include <bits/stdc++.h>
#include "coins.h"
using namespace std;
#define fi first
#define se second
#define all(a) a.begin(),a.end()
#define pb push_back
const int maxn = 2e5+1;
vector <int> coin_flips(vector <int> b, int c){
vector <int> d(1);
if(c == 1){
if(b[0] == 0){
b[0] = 1;
d[0] = 0;
}
}
else{
if(b[0] == 1){
b[0] = 0;
d[0] = 0;
}
}
return d;
}
int find_coin(vector <int> b){
if(b[0] == 1){
return 1;
}
else{
return 0;
}
}
/*static string run_test() {
int c;
cin >> c;
vector<int> b(64);
for (int i = 0; i < 8; i++) {
string s;
cin >> s;
for (int j = 0; j < 8; j++) {
b[i * 8 + j] = int(s[j] - '0');
}
}
vector<int> flips = coin_flips(b, c);
if ((int)flips.size() == 0) {
return "0 turn overs";
}
for (int i = 0; i < (int)flips.size(); i++) {
if (flips[i] < 0 || flips[i] > 63) {
return "cell number out of range";
}
b[flips[i]] = 1 - b[flips[i]];
}
int coin = find_coin(b);
if (coin != c) {
return "wrong coin";
}
return "ok";
}
//signed main() {
int tests;
cin >> tests;
for (int t = 1; t <= tests; t++) {
string result = run_test();
cout << "test #" << t << ": " << result << endl;
}
return 0;
}
*/
