import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int T = sc.nextInt();
        int min = 1001;
        for(int i = 1; i <= N; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(t <= T){
                if(c < min){
                    min = c;
                }
            }
        }
        sc.close();
        if(min > 1000){
            System.out.println("TLE");
        }else{
            System.out.println(min);
        }

    }

} import java.util.Scanner; Scanner 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 min = 1001;
        for(int i = 1; i <= N; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(t <= T){
                if(c < min){
                    min = c;
                }
            }
        }
        sc.close();
        if(min > 1000){
            System.out.println("TLE");
        }else{
            System.out.println(min);
        }

    }

} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int T = sc.nextInt();
        int min = 1001;
        for(int i = 1; i <= N; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(t <= T){
                if(c < min){
                    min = c;
                }
            }
        }
        sc.close();
        if(min > 1000){
            System.out.println("TLE");
        }else{
            System.out.println(min);
        }

    } main {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int T = sc.nextInt();
        int min = 1001;
        for(int i = 1; i <= N; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(t <= T){
                if(c < min){
                    min = c;
                }
            }
        }
        sc.close();
        if(min > 1000){
            System.out.println("TLE");
        }else{
            System.out.println(min);
        }

    } 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 min = 1001; min 1001 for(int i = 1; i <= N; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(t <= T){
                if(c < min){
                    min = c;
                }
            }
        } int i = 1; int i = 1; i 1 i <= N i N i++ i++ i {
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(t <= T){
                if(c < min){
                    min = c;
                }
            }
        } {
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(t <= T){
                if(c < min){
                    min = c;
                }
            }
        } int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc int t = sc.nextInt(); t sc.nextInt() sc.nextInt sc if(t <= T){
                if(c < min){
                    min = c;
                }
            } t <= T t T {
                if(c < min){
                    min = c;
                }
            } if(c < min){
                    min = c;
                } c < min c min {
                    min = c;
                } min = c min c sc.close() sc.close sc if(min > 1000){
            System.out.println("TLE");
        }else{
            System.out.println(min);
        } min > 1000 min 1000 {
            System.out.println("TLE");
        } System.out.println("TLE") System.out.println System.out System System.out "TLE" {
            System.out.println(min);
        } System.out.println(min) System.out.println System.out System System.out min 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 min = 1001;
        for(int i = 1; i <= N; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(t <= T){
                if(c < min){
                    min = c;
                }
            }
        }
        sc.close();
        if(min > 1000){
            System.out.println("TLE");
        }else{
            System.out.println(min);
        }

    }

} public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int T = sc.nextInt();
        int min = 1001;
        for(int i = 1; i <= N; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(t <= T){
                if(c < min){
                    min = c;
                }
            }
        }
        sc.close();
        if(min > 1000){
            System.out.println("TLE");
        }else{
            System.out.println(min);
        }

    }

} Main
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int T = sc.nextInt();
        int min = 1001;
        for(int i = 1; i <= N; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(t <= T){
                if(c < min){
                    min = c;
                }
            }
        }
        sc.close();
        if(min > 1000){
            System.out.println("TLE");
        }else{
            System.out.println(min);
        }

    }

}
