#include <bits/stdc++.h>
using namespace std;
#define ins insert
#define pb push_back
#define all(x) x.begin(), x.end()
#define F first
#define S second
const int N = 3e5 + 7;
int a[N];
void solve(){
    int n, k;
    cin>>n>>k;
    int sum = 0;
    for(int i = 1; i <= n; i++){
        cin>>a[i];
        sum += a[i];
    }
    if(sum % 2 == 1){
        cout<<1;
    }
    else{
        cout<<0;
    }
}
signed main(){
    ios_base :: sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    int t = 1;
    cin>>t;
    while(t--){
        solve();
    }
}
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