#include <iostream>
#include <fstream>
using namespace std;
ifstream f1("puteri.in");
ofstream f2("puteri.out");
int cmmdc(int n, int m, int p)
{
    int c1, c2, c3, cf, r;
    while (m!=0)
    {
        r=n%m;
        n=m;
        m=r;
    }
    c1=n;
    while (p!=0)
    {
        r=c1%p;
        c1=p;
        p=r;
    }
    cf=c1;
    return cf;
}
main()
{
    int m[100001][4], n, a1,b1,c1,a2,b2,c2, rez,i,j;
    f1>>n;
    rez=0;
    for (i=1; i<=n; i++)
        f1>>m[i][1]>>m[i][2]>>m[i][3];
    for (i=1; i<=n; i++)
    {
        a1=m[i][1]; b1=m[i][2]; c1=m[i][3];
        for (j=i+1; j<=n; j++)
        {
            a2=m[j][1]; b2=m[j][2]; c2=m[j][3];
            if (cmmdc(a1+a2, b1+b2, c1+c2)!=1) rez+=1;
        }
    }
    f2<<rez;
    f1.close();
    f2.close();
    return 0;
}