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 t2 = sc.nextInt();
			if(t2 <= t){
				ans = Math.min(ans, c);
			}
		}
		if(ans >= 10000){
			System.out.println("TLE");
		}else{
			System.out.println(ans);
		}
	}
} 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 t2 = sc.nextInt();
			if(t2 <= t){
				ans = Math.min(ans, c);
			}
		}
		if(ans >= 10000){
			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 ans = 10000;
		for(int i=0; i<n; i++){
			int c = sc.nextInt();
			int t2 = sc.nextInt();
			if(t2 <= t){
				ans = Math.min(ans, c);
			}
		}
		if(ans >= 10000){
			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 ans = 10000;
		for(int i=0; i<n; i++){
			int c = sc.nextInt();
			int t2 = sc.nextInt();
			if(t2 <= t){
				ans = Math.min(ans, c);
			}
		}
		if(ans >= 10000){
			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 ans = 10000; ans 10000 for(int i=0; i<n; i++){
			int c = sc.nextInt();
			int t2 = sc.nextInt();
			if(t2 <= 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();
			int t2 = sc.nextInt();
			if(t2 <= t){
				ans = Math.min(ans, c);
			}
		} {
			int c = sc.nextInt();
			int t2 = sc.nextInt();
			if(t2 <= t){
				ans = Math.min(ans, c);
			}
		} int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc int t2 = sc.nextInt(); t2 sc.nextInt() sc.nextInt sc if(t2 <= t){
				ans = Math.min(ans, c);
			} t2 <= t t2 t {
				ans = Math.min(ans, c);
			} ans = Math.min(ans, c) ans Math.min(ans, c) Math.min Math ans c 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(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 ans = 10000;
		for(int i=0; i<n; i++){
			int c = sc.nextInt();
			int t2 = sc.nextInt();
			if(t2 <= t){
				ans = Math.min(ans, c);
			}
		}
		if(ans >= 10000){
			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 ans = 10000;
		for(int i=0; i<n; i++){
			int c = sc.nextInt();
			int t2 = sc.nextInt();
			if(t2 <= t){
				ans = Math.min(ans, c);
			}
		}
		if(ans >= 10000){
			System.out.println("TLE");
		}else{
			System.out.println(ans);
		}
	}
} 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 t2 = sc.nextInt();
			if(t2 <= t){
				ans = Math.min(ans, c);
			}
		}
		if(ans >= 10000){
			System.out.println("TLE");
		}else{
			System.out.println(ans);
		}
	}
}
