import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt(), T = sc.nextInt();
        int ans = 1001;
        for (int i = 0; i < n; i++) {
            int c = sc.nextInt(), t = sc.nextInt();
            if (t <= T) ans = Math.min(ans, c);
        }
        System.out.println(ans==1001? "TLE": 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(), T = sc.nextInt();
        int ans = 1001;
        for (int i = 0; i < n; i++) {
            int c = sc.nextInt(), t = sc.nextInt();
            if (t <= T) ans = Math.min(ans, c);
        }
        System.out.println(ans==1001? "TLE": ans);
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt(), T = sc.nextInt();
        int ans = 1001;
        for (int i = 0; i < n; i++) {
            int c = sc.nextInt(), t = sc.nextInt();
            if (t <= T) ans = Math.min(ans, c);
        }
        System.out.println(ans==1001? "TLE": ans);
    } main {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt(), T = sc.nextInt();
        int ans = 1001;
        for (int i = 0; i < n; i++) {
            int c = sc.nextInt(), t = sc.nextInt();
            if (t <= T) ans = Math.min(ans, c);
        }
        System.out.println(ans==1001? "TLE": ans);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt() n sc.nextInt() sc.nextInt sc T = sc.nextInt(); T sc.nextInt() sc.nextInt sc int ans = 1001; ans 1001 for (int i = 0; i < n; i++) {
            int c = sc.nextInt(), t = sc.nextInt();
            if (t <= T) ans = Math.min(ans, c);
        } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
            int c = sc.nextInt(), t = sc.nextInt();
            if (t <= T) ans = Math.min(ans, c);
        } {
            int c = sc.nextInt(), t = sc.nextInt();
            if (t <= T) ans = Math.min(ans, c);
        } int c = sc.nextInt() c sc.nextInt() sc.nextInt sc t = sc.nextInt(); t sc.nextInt() sc.nextInt sc if (t <= T) ans = Math.min(ans, c); t <= T t T ans = Math.min(ans, c) ans Math.min(ans, c) Math.min Math ans c System.out.println(ans==1001? "TLE": ans) System.out.println System.out System System.out ans==1001? "TLE": ans ans==1001 ans 1001 "TLE" ans String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt(), T = sc.nextInt();
        int ans = 1001;
        for (int i = 0; i < n; i++) {
            int c = sc.nextInt(), t = sc.nextInt();
            if (t <= T) ans = Math.min(ans, c);
        }
        System.out.println(ans==1001? "TLE": ans);
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt(), T = sc.nextInt();
        int ans = 1001;
        for (int i = 0; i < n; i++) {
            int c = sc.nextInt(), t = sc.nextInt();
            if (t <= T) ans = Math.min(ans, c);
        }
        System.out.println(ans==1001? "TLE": ans);
    }
} Main
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt(), T = sc.nextInt();
        int ans = 1001;
        for (int i = 0; i < n; i++) {
            int c = sc.nextInt(), t = sc.nextInt();
            if (t <= T) ans = Math.min(ans, c);
        }
        System.out.println(ans==1001? "TLE": ans);
    }
}
