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 = 0;
		for(int i = 0; i < N; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if(t <= T) {
				if(min == 0) {
					min = c;
				}else{
					min = Math.min(min, c);
				}
			}
		}

		if(min == 0) {
			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 = 0;
		for(int i = 0; i < N; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if(t <= T) {
				if(min == 0) {
					min = c;
				}else{
					min = Math.min(min, c);
				}
			}
		}

		if(min == 0) {
			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 = 0;
		for(int i = 0; i < N; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if(t <= T) {
				if(min == 0) {
					min = c;
				}else{
					min = Math.min(min, c);
				}
			}
		}

		if(min == 0) {
			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 = 0;
		for(int i = 0; i < N; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if(t <= T) {
				if(min == 0) {
					min = c;
				}else{
					min = Math.min(min, c);
				}
			}
		}

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

		if(min == 0) {
			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 = 0;
		for(int i = 0; i < N; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if(t <= T) {
				if(min == 0) {
					min = c;
				}else{
					min = Math.min(min, c);
				}
			}
		}

		if(min == 0) {
			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 = 0;
		for(int i = 0; i < N; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if(t <= T) {
				if(min == 0) {
					min = c;
				}else{
					min = Math.min(min, c);
				}
			}
		}

		if(min == 0) {
			System.out.println("TLE");
		}else {
			System.out.println(min);
		}
	}
}
