/*
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 */
#include <bits/stdc++.h>
#include <iostream>
#include <cstdio>
#include <cstring>
#include <cmath>
#include <algorithm>
#include <set>
#include <queue>
const int maxn = 1e6 + 7;
typedef long long ll;
using namespace std;
int a[100][100];
int main(){
    int n, d;
    while(~scanf("%d %d",&n,&d)){
        int ans = 0;
        for (int i = 0; i < n; i++)
            for (int j = 0; j < d; j++)
                scanf("%d",&a[i][j]);
        for (int i = 0; i < n; i++){
            for (int j = 0; j < i; j++){
                int temp = 0;
                for (int k = 0; k < d; k ++){
                    temp += ((a[i][k] - a[j][k]) * (a[i][k] - a[j][k]));
                }
                if (sqrt(temp) == (int)sqrt(temp))
                    ans ++;
            }
        }
        cout << ans << endl;
    }
    return 0;
}


Measured memory_bytes: 384