#include<bits/stdc++.h>
using namespace std;
constexpr int M=105;
struct point{int x,y;
    point operator -(const point &a) const
        {return {x-a.x,y-a.y};}
}a[M];
int n,cnt[M];bool flag;char c[M];
long long cro(point a,point b){
    return 1ll*a.x*b.y-1ll*a.y*b.x;
}
int main(){
    scanf("%d",&n);
    for (int i=1;i<=n;i++){
        scanf("%d %d %c",&a[i].x,&a[i].y,&c[i]);
        if (cnt[c[i]]) flag=1; cnt[c[i]]=1;
    }
    if (!flag) return puts("1"),0;
    for (int i=1;i<=n;i++)
        for (int j=i+1;j<=n;j++)
            if (c[i]==c[j])
                for (int k=1;k<=n;k++)
                    if (cro(a[i]-a[k],a[j]-a[k]))
                        return puts("Infinity"),0;
    puts("2");
    return 0;
}