C++ :

#include<bits/stdc++.h>
using namespace std;
int n,k,a,b,c,ans;
int main()
{
	cin>>n>>k;
	while(n--)
	{
		cin>>a>>b>>c;
		if(a+b==k || a+c==k || b+c==k) ans++;
	}
	cout<<ans;
	return 0;
}