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 ans = 10000;
		
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			
			if (t<=T){
				ans = Math.min(c, ans);
			}
		}
		if (ans == 10000){
			System.out.println("TLE");
			
		}
		else
			System.out.println(ans);
		
		sc.close();
		
	}

} 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 ans = 10000;
		
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			
			if (t<=T){
				ans = Math.min(c, ans);
			}
		}
		if (ans == 10000){
			System.out.println("TLE");
			
		}
		else
			System.out.println(ans);
		
		sc.close();
		
	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int T = sc.nextInt();
		
		int ans = 10000;
		
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			
			if (t<=T){
				ans = Math.min(c, ans);
			}
		}
		if (ans == 10000){
			System.out.println("TLE");
			
		}
		else
			System.out.println(ans);
		
		sc.close();
		
	} main {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int T = sc.nextInt();
		
		int ans = 10000;
		
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			
			if (t<=T){
				ans = Math.min(c, ans);
			}
		}
		if (ans == 10000){
			System.out.println("TLE");
			
		}
		else
			System.out.println(ans);
		
		sc.close();
		
	} 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 ans = 10000; ans 10000 for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			
			if (t<=T){
				ans = Math.min(c, ans);
			}
		} int i=0; int i=0; i 0 i<N i N i++ i++ i {
			int c = sc.nextInt();
			int t = sc.nextInt();
			
			if (t<=T){
				ans = Math.min(c, ans);
			}
		} {
			int c = sc.nextInt();
			int t = sc.nextInt();
			
			if (t<=T){
				ans = Math.min(c, ans);
			}
		} int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc int t = sc.nextInt(); t sc.nextInt() sc.nextInt sc if (t<=T){
				ans = Math.min(c, ans);
			} t<=T t T {
				ans = Math.min(c, ans);
			} ans = Math.min(c, ans) ans Math.min(c, ans) Math.min Math c ans if (ans == 10000){
			System.out.println("TLE");
			
		}
		else
			System.out.println(ans); ans == 10000 ans 10000 {
			System.out.println("TLE");
			
		} 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 sc.close() sc.close sc 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 ans = 10000;
		
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			
			if (t<=T){
				ans = Math.min(c, ans);
			}
		}
		if (ans == 10000){
			System.out.println("TLE");
			
		}
		else
			System.out.println(ans);
		
		sc.close();
		
	}

} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int T = sc.nextInt();
		
		int ans = 10000;
		
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			
			if (t<=T){
				ans = Math.min(c, ans);
			}
		}
		if (ans == 10000){
			System.out.println("TLE");
			
		}
		else
			System.out.println(ans);
		
		sc.close();
		
	}

} 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 ans = 10000;
		
		for (int i=0; i<N; i++){
			int c = sc.nextInt();
			int t = sc.nextInt();
			
			if (t<=T){
				ans = Math.min(c, ans);
			}
		}
		if (ans == 10000){
			System.out.println("TLE");
			
		}
		else
			System.out.println(ans);
		
		sc.close();
		
	}

}
