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 minC = 1001;
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (minC > c && T >= t){
				minC = c;
			}
		}
		if (minC == 1001){
			System.out.println("TLE");
		} else {
			System.out.println(minC);
		}
	}
} 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 minC = 1001;
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (minC > c && T >= t){
				minC = c;
			}
		}
		if (minC == 1001){
			System.out.println("TLE");
		} else {
			System.out.println(minC);
		}
	}
} Main public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int N = sc.nextInt();
		int T = sc.nextInt();

		int minC = 1001;
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (minC > c && T >= t){
				minC = c;
			}
		}
		if (minC == 1001){
			System.out.println("TLE");
		} else {
			System.out.println(minC);
		}
	} main {

		Scanner sc = new Scanner(System.in);

		int N = sc.nextInt();
		int T = sc.nextInt();

		int minC = 1001;
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (minC > c && T >= t){
				minC = c;
			}
		}
		if (minC == 1001){
			System.out.println("TLE");
		} else {
			System.out.println(minC);
		}
	} 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 minC = 1001; minC 1001 for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (minC > c && T >= t){
				minC = c;
			}
		} int i=0; int i=0; i 0 i<N i N i++ i++ i {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (minC > c && T >= t){
				minC = c;
			}
		} {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (minC > c && T >= t){
				minC = c;
			}
		} int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc int t = sc.nextInt(); t sc.nextInt() sc.nextInt sc if (minC > c && T >= t){
				minC = c;
			} minC > c && T >= t minC > c minC c T >= t T t {
				minC = c;
			} minC = c minC c if (minC == 1001){
			System.out.println("TLE");
		} else {
			System.out.println(minC);
		} minC == 1001 minC 1001 {
			System.out.println("TLE");
		} System.out.println("TLE") System.out.println System.out System System.out "TLE" {
			System.out.println(minC);
		} System.out.println(minC) System.out.println System.out System System.out minC 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 minC = 1001;
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (minC > c && T >= t){
				minC = c;
			}
		}
		if (minC == 1001){
			System.out.println("TLE");
		} else {
			System.out.println(minC);
		}
	}
} public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		int N = sc.nextInt();
		int T = sc.nextInt();

		int minC = 1001;
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (minC > c && T >= t){
				minC = c;
			}
		}
		if (minC == 1001){
			System.out.println("TLE");
		} else {
			System.out.println(minC);
		}
	}
} 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 minC = 1001;
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (minC > c && T >= t){
				minC = c;
			}
		}
		if (minC == 1001){
			System.out.println("TLE");
		} else {
			System.out.println(minC);
		}
	}
}