#include <bits/stdc++.h>
#define point pair <int, int>
#define x first
#define y second
#define make_point make_pair

using namespace std;

const int O = 1e2 + 5;
const int inf = 1e9 + 5;

int n;
pair <point, char> a[O];

point operator - (const point &p1, const point &p2){
    return make_point(p1.x - p2.x, p1.y - p2.y);
}

int cross(point x, point y){
    return x.x * y.y - x.y * y.x;
}

main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    cin >> n;
    for (int i = 1; i <= n; ++ i){
        int x, y; cin >> x >> y;
        char c; cin >> c;
        a[i] = make_pair(make_point(x, y), c);
    }

    int res = 1;
    for (int i = 1; i <= n; ++ i){
        for (int j = i + 1; j <= n; ++ j){
            if (a[i].y == a[j].y) res = max(res, 2);
            for (int z = j + 1; z <= n; ++ z){
                point x = a[j].x - a[i].x;
                point y = a[z].x - a[i].x;
                if (cross(x, y) != 0){
                    if (a[i].y == a[j].y || a[i].y == a[z].y || a[j].y == a[z].y) res = inf;
                }
            }
        }
    }

    if (res >= inf) return cout << "Infinity", 0;
    cout << res;
}
/**
1
3 1
1 0 0
**/