#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=a;i<b;i++)




typedef long double ld;
int N;
vector<ld> vec[3];
ld EPS = 1e-18;
//-----------------------------------------------------------------------------------
int count() {
    int ans = 0;

    for (ld a : vec[0]) for (ld b : vec[1]) {
        for (ld c : vec[2]) {
            ld sum = a + b + c;
            if (abs(1 - sum) < EPS) continue;

            ld ab = a + b;
            ld bc = b + c;
            ld ac = a + c;

            if (ab <= 1 && bc <= 1 && ac <= 1) ans++;
        }
    }

    return ans;
}
//-----------------------------------------------------------------------------------
int main() {
    cin >> N;
    rep(i, 0, 3) vec[i].push_back(0);
    rep(i, 0, N) {
        int P, A, B;
        scanf("%d%d%d", &P, &A, &B);
        vec[P].push_back((ld)B / (ld)(A + B));
    }

    cout << count() << endl;
}