【題目敘述】https://zerojudge.tw/ShowProblem?problemid=f605
#include <bits/stdc++.h>
using namespace std;
int n, d, cnt, tot;
int main(){
cin >> n >> d;
for (int i = 0, a, b, c; i < n; i++){
cin >> a >> b >> c;
int mx = max(a, max(b, c));
int mn = min(a, min(b, c));
if (mx-mn >= d){
cnt++;
tot += (a+b+c)/3;
}
}
cout << cnt << " " << tot << "\n";
}