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#include <bits/stdc++.h>
using namespace std;
ifstream f("puteri.in");
ofstream g("puteri.out");
short a[100005][3];
int n;
int cmmmdc(int a,int b,int c)
{
int r;
int ca=a;
int cb=b;
while(cb!=0)
{
r=ca%cb;
ca=cb;
cb=r;
}
while(c!=0)
{
r=ca%c;
ca=c;
c=r;
}
return ca;
}
int main()
{
f>>n;
int nr=0;
for(int i=1;i<=n;i++)
{
f>>a[i][0]>>a[i][1]>>a[i][2];
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<i;j++)
{
int s0=a[i][0]+a[j][0];
int s1=a[i][1]+a[j][1];
int s2=a[i][2]+a[j][2];
if(cmmmdc(s1,s2,s0)!=1)
{
nr++;
}
}
}
g<<nr;
}