//LiveArchive 3655 Onion Layers - TCBPG

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cmath>
#include <vector>

using namespace std;

#define forn(i, n) for(int i = 0; i < (int) (n); i++)
#define forsn(i, s, n) for(int i = (s); i < (int) (n); i++)

typedef long long tint;

inline int sqr(int x){ return x*x; }

int pcruz(int x1, int y1, int x2, int y2){ return x1*y2-x2*y1; }
struct pto{
    int x,y;
    int n2(pto &p2) const { return sqr(x-p2.x) + sqr(y-p2.y); };

    pto(int u, int v){ x = u, y = v; };
    pto(){};
} r;

int area3(pto a, pto b, pto c){ return pcruz(b.x-a.x, b.y-a.y, c.x-a.x, c.y-a.y); }

bool men2(const pto&p1, const pto&p2){
    return (p1.y == p2.y) ? (p1.x < p2.x) : (p1.y < p2.y);
}

bool orden(const pto & p1, const pto & p2){
    return (p1.x == p2.x) ? (p1.y < p2.y) : (p1.x < p2.x);
}

bool operator<(const pto &p1, const pto&p2){
    int ar = area3(r, p1, p2);
    return (ar == 0) ? (p1.n2(r) < p2.n2(r)) : ar>0;
}

bool operator==(const pto& p1, const pto & p2){
    return (p1.x == p2.x && p1.y == p2.y);
}

typedef vector<pto> VP;

VP chull(VP & P){
    int n = P.size(), k = 0;
    vector<pto> H(2*n);

    // Sort Points lexicographically
    sort(P.begin(), P.end(), men2);

    // Build lower hull
    for (int i = 0; i < n; i++) {
    while (k >= 2 && area3(H[k-2], H[k-1], P[i]) < 0){
    k--;
    }
    H[k++] = P[i];
    }

    // Build upper hull
    for (int i = n-2, t = k+1; i >= 0; i--) {
    while (k >= t && area3(H[k-2], H[k-1], P[i]) < 0){
    k--;
    }
    H[k++] = P[i];
    }

    H.resize(k);

    return H;
}

int main(){
#ifdef ACM
    freopen("test.in", "r", stdin);
#endif

    int N; scanf("%d", &N);
    while(N != 0){
        int L = 0;
        VP v;

        forn(i, N){
            int x, y; scanf("%d %d", &x, &y);
            v.push_back(pto(x, y));
        }

        while(v.size() > 0){
            VP ch = chull(v);
            VP tmp(v.size());

            sort(ch.begin(), ch.end(), men2);
            sort(v.begin(), v.end(), men2);

            VP::iterator it = set_difference(v.begin(), v.end(), ch.begin(), ch.end(), tmp.begin(), men2);

            tmp.resize(it - tmp.begin());

            v.clear();
            v = tmp;

            L++;
        }

        if(L % 2 == 0) puts("Do not take this onion to the lab!"); else puts("Take this onion to the lab!");
        scanf("%d", &N);
    }
    return 0;
}