#include <cstdlib>
#include <cmath>
#include <climits>
#include <cfloat>
#include <map>
#include <set>
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <sstream>
#include <complex>
#include <stack>
#include <queue>
#include <cstdio>
#include <cstring>
#include <iterator>
#include <bitset>
#include <unordered_set>
#include <unordered_map>
#include <fstream>
#include <iomanip>
#include <cassert>
//#include <utility>
//#include <memory>
//#include <functional>
//#include <deque>
//#include <cctype>
//#include <ctime>
//#include <numeric>
//#include <list>
//#include <iomanip>

//#if __cplusplus >= 201103L
//#include <array>
//#include <tuple>
//#include <initializer_list>
//#include <forward_list>
//
//#define cauto const auto&
//#else

//#endif

using namespace std;


typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

typedef vector<int> vint;
typedef vector<vector<int> > vvint;
typedef vector<long long> vll, vLL;
typedef vector<vector<long long> > vvll, vvLL;

#define VV(T) vector<vector< T > >

template <class T>
void initvv(vector<vector<T> > &v, int a, int b, const T &t = T()){
    v.assign(a, vector<T>(b, t));
}

template <class F, class T>
void convert(const F &f, T &t){
    stringstream ss;
    ss << f;
    ss >> t;
}

#undef _P
#define _P(...) (void)printf(__VA_ARGS__)
#define reep(i,a,b) for(int i=(a);i<(b);++i)
#define rep(i,n) reep((i),0,(n))
#define ALL(v) (v).begin(),(v).end()
#define PB push_back
#define F first
#define S second
#define mkp make_pair
#define RALL(v) (v).rbegin(),(v).rend()
#define DEBUG
#ifdef DEBUG
#define dump(x)  cout << #x << " = " << (x) << endl;
#define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;
#else
#define dump(x) 
#define debug(x) 
#endif

#define MOD 1000000007LL
#define EPS 1e-12
#define INF 0x3f3f3f3f
#define INFL 0x3f3f3f3f3f3f3f3fLL
#define maxs(x,y) x=max(x,y)
#define mins(x,y) x=min(x,y)

#define EQ(a,b) (abs((a)-(b)) < EPS)


bool Find(long double x, vector<long double> &v){
	auto it = lower_bound(ALL(v), x);
	if(v.size() == 0) return false;
	if(it==v.end()){
		it--;
		if(EQ(*it, x)) return true;
		return false;
	}
	if(EQ(*it, x)) return true;
	if(it == v.begin()) return false;
	it--;
	if(EQ(*it, x)) return true;
	return false;
}

void mainmain(){
	int n;
	cin>>n;
	VV(long double) vv(3);
	vint half(3);
	rep(i,n){
		int a;
		int b,c;
		cin>>a>>b>>c;
		int g = __gcd(b,c);
		b/=g;
		c/=g;
		if(b == c){
			half[a]++;
		}
		vv[a].PB((long double)b/(b+c));
	}
	rep(i,3) sort(ALL(vv[i]));
	ll ans = n;
	rep(i,3){
		rep(j,i){
			rep(k,vv[i].size()){
				auto it = lower_bound(ALL(vv[j]), 1-vv[i][k]+EPS);
				ans += vv[j].end() - it;
			}
		}
	}
	// 線分が1点で交差する数
	for(auto&& x: vv[0]){
		for(auto&& y: vv[1]){
			if(x+y<=1+EPS) continue;
			// auto t = max(1-x, 1-y);
			// auto it = upper_bound(ALL(vv[2]), t);
			// if(it != vv[2].end() && EQ(*it, t)) it++;
			// ans += vv[2].end() - it;
			// cout<<x<<" "<<y<<endl;
			long double h = max(x, y) + min(x, y) - 1;
			h = 1 - h;
			// cout<<x<<" "<<y<<" "<<h<<endl;
			if(Find(h, vv[2])) ans--;
		}
	}

	for(auto&& x: vv[0]){
		for(auto&& y: vv[1]){
			if(x+y<1) continue;
			auto t = max(1-x, 1-y);
			auto it = lower_bound(ALL(vv[2]), t-EPS);
			ans += vv[2].end() - it;
		}
	}
	// rep(i,3) rep(j,i){
	// 	int k = 3-i-j;
	// 	for(auto&& x: vv[i]){
	// 		for(auto&& y: vv[j]){
	// 			if(!EQ(x+y, 1)) continue;
	// 			if(EQ(x, 0.5) && EQ(y, 0.5)) continue;
	// 			auto t = max(1-x, 1-y);
	// 			if(Find(t, vv[k])) cnt++;
	// 		}
	// 	}	
	// }
	// assert(cnt%2 == 0);
	// ans += cnt/2;
	ans++;
	// sort(ALL(half));
	// if(half[0]) ans++;
	cout << ans << endl;
}


signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout<<fixed<<setprecision(20);
    mainmain();
}