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#include <fstream>
using namespace std;
ifstream fin("puteri.in");
ofstream fout("puteri.out");
const int MAXN = 100005;
const int MAXABC = 65;
int N, a[MAXN], b[MAXN], c[MAXN];
int n[MAXABC][MAXABC][MAXABC];
int rez;
void Read();
void Solve();
int main()
{
Read();
Solve();
fout << rez;
fin.close();
fout.close();
return 0;
}
void Read()
{
int i;
fin >> N;
for ( i = 1; i <= N; i++ )
{
fin >> a[i] >> b[i] >> c[i];
n[a[i]][b[i]][c[i]]++;
}
}
void Solve()
{
int i, j, p1, p2, p3, x;
for ( i = 1; i <= N; i++ )
{
n[a[i]][b[i]][c[i]]--;
x = max( a[i], max( b[i], c[i] ) );
for ( x = x % 2 ? x + 1 : x; x <= 64; x += 2 )
{
/// p1 > 0, p2 > 0, p3 > 0
p1 = x - a[i];
p2 = x - b[i];
p3 = x - c[i];
rez += n[p1][p2][p3];
/// p3 == 0
if ( c[i] == 0 )
{
p3 = 0;
rez += n[p1][p2][p3];
}
}
}
}