#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 (1 < ab) continue;
        if (1 < bc) continue;
        if (1 < ac) continue;

        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;
}