#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define endl '\n'
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define rep2(i,a,b) for(int i=int(a);i<int(b);i++)
#define pb emplace_back
#define all(x) (x).begin(),(x).end()
ll mod=1e9+7;
ll mod2=998244353;
const int INF=1e9;


signed main() {
	ll n,d;
	cin>>n>>d;
	vector<vector<double> > x(n,vector<double>(d));
	rep(i,n){
		rep(j,d)cin>>x[i][j];
	}
	ll ans=0;
	rep(i,n){
		rep2(j,i+1,n){
			if(i==j)continue;
			double tmp=0;
			rep(k,d){
				tmp+=abs(x[i][k]-x[j][k])*abs(x[i][k]-x[j][k]);
			}
			double tmp2=sqrt(tmp);
			ll tmp3=sqrt(tmp);
			if(tmp2==tmp3)ans++;
		}
	}
	cout<<ans<<endl;
}


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Measured memory_bytes: 256