#include "bits/stdc++.h"
using namespace std;
#define int long long
void sol() {
int n, k;
cin >> n >> k;
vector <int> a(n);
for (int i = 0; i < n; i ++) cin >> a[i];
int sum = 0;
for (int i : a) sum += i;
cout << sum % 2;
}
signed main() {
int t;
cin >> t;
while (t --) {
sol();
}
return 0;
}
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