
import java.util.*;

public class Main {

    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int T = sc.nextInt();
        int[] c = new int[N];
        int[] t = new int[N];
        for (int i = 0; i < N; i++) {
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
        }
        int ans = -1;
        for (int i = 0; i < N; i++) {
            if (t[i] <= T) {
                if (ans == -1 || ans > c[i])
                    ans = c[i];
            }
        }
        if (ans == -1)
            System.out.println("TLE");
        else
            System.out.println(ans);

    }

} import java.util.*; util.* java public class Main {

    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int T = sc.nextInt();
        int[] c = new int[N];
        int[] t = new int[N];
        for (int i = 0; i < N; i++) {
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
        }
        int ans = -1;
        for (int i = 0; i < N; i++) {
            if (t[i] <= T) {
                if (ans == -1 || ans > c[i])
                    ans = c[i];
            }
        }
        if (ans == -1)
            System.out.println("TLE");
        else
            System.out.println(ans);

    }

} Main public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int T = sc.nextInt();
        int[] c = new int[N];
        int[] t = new int[N];
        for (int i = 0; i < N; i++) {
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
        }
        int ans = -1;
        for (int i = 0; i < N; i++) {
            if (t[i] <= T) {
                if (ans == -1 || ans > c[i])
                    ans = c[i];
            }
        }
        if (ans == -1)
            System.out.println("TLE");
        else
            System.out.println(ans);

    } main {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int T = sc.nextInt();
        int[] c = new int[N];
        int[] t = new int[N];
        for (int i = 0; i < N; i++) {
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
        }
        int ans = -1;
        for (int i = 0; i < N; i++) {
            if (t[i] <= T) {
                if (ans == -1 || ans > c[i])
                    ans = c[i];
            }
        }
        if (ans == -1)
            System.out.println("TLE");
        else
            System.out.println(ans);

    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N = sc.nextInt(); N sc.nextInt() sc.nextInt sc int T = sc.nextInt(); T sc.nextInt() sc.nextInt sc int[] c = new int[N]; c new int[N] N int[] t = new int[N]; t new int[N] N for (int i = 0; i < N; i++) {
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
        } {
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
        } c[i] = sc.nextInt() c[i] c i sc.nextInt() sc.nextInt sc t[i] = sc.nextInt() t[i] t i sc.nextInt() sc.nextInt sc int ans = -1; ans -1 1 for (int i = 0; i < N; i++) {
            if (t[i] <= T) {
                if (ans == -1 || ans > c[i])
                    ans = c[i];
            }
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            if (t[i] <= T) {
                if (ans == -1 || ans > c[i])
                    ans = c[i];
            }
        } {
            if (t[i] <= T) {
                if (ans == -1 || ans > c[i])
                    ans = c[i];
            }
        } if (t[i] <= T) {
                if (ans == -1 || ans > c[i])
                    ans = c[i];
            } t[i] <= T t[i] t i T {
                if (ans == -1 || ans > c[i])
                    ans = c[i];
            } if (ans == -1 || ans > c[i])
                    ans = c[i]; ans == -1 || ans > c[i] ans == -1 ans -1 1 ans > c[i] ans c[i] c i ans = c[i] ans c[i] c i if (ans == -1)
            System.out.println("TLE");
        else
            System.out.println(ans); ans == -1 ans -1 1 System.out.println("TLE") System.out.println System.out System System.out "TLE" System.out.println(ans) System.out.println System.out System System.out ans String args[] args public class Main {

    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int T = sc.nextInt();
        int[] c = new int[N];
        int[] t = new int[N];
        for (int i = 0; i < N; i++) {
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
        }
        int ans = -1;
        for (int i = 0; i < N; i++) {
            if (t[i] <= T) {
                if (ans == -1 || ans > c[i])
                    ans = c[i];
            }
        }
        if (ans == -1)
            System.out.println("TLE");
        else
            System.out.println(ans);

    }

} public class Main {

    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int T = sc.nextInt();
        int[] c = new int[N];
        int[] t = new int[N];
        for (int i = 0; i < N; i++) {
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
        }
        int ans = -1;
        for (int i = 0; i < N; i++) {
            if (t[i] <= T) {
                if (ans == -1 || ans > c[i])
                    ans = c[i];
            }
        }
        if (ans == -1)
            System.out.println("TLE");
        else
            System.out.println(ans);

    }

} Main

import java.util.*;

public class Main {

    public static void main(String args[]) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int T = sc.nextInt();
        int[] c = new int[N];
        int[] t = new int[N];
        for (int i = 0; i < N; i++) {
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
        }
        int ans = -1;
        for (int i = 0; i < N; i++) {
            if (t[i] <= T) {
                if (ans == -1 || ans > c[i])
                    ans = c[i];
            }
        }
        if (ans == -1)
            System.out.println("TLE");
        else
            System.out.println(ans);

    }

}
