
import java.util.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int a = sc.nextInt();
		int limit = sc.nextInt();
		int ans = Integer.MAX_VALUE;
		for (int i = 0; i < a; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (t <= limit) {
				if (c < ans) {
					ans = c;
				}
			}
		}

		if (ans == Integer.MAX_VALUE) {
			System.out.println("TLE");
		} else {
			System.out.println(ans);
		}

	}

} import java.util.*; util.* java public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int a = sc.nextInt();
		int limit = sc.nextInt();
		int ans = Integer.MAX_VALUE;
		for (int i = 0; i < a; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (t <= limit) {
				if (c < ans) {
					ans = c;
				}
			}
		}

		if (ans == Integer.MAX_VALUE) {
			System.out.println("TLE");
		} else {
			System.out.println(ans);
		}

	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int a = sc.nextInt();
		int limit = sc.nextInt();
		int ans = Integer.MAX_VALUE;
		for (int i = 0; i < a; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (t <= limit) {
				if (c < ans) {
					ans = c;
				}
			}
		}

		if (ans == Integer.MAX_VALUE) {
			System.out.println("TLE");
		} else {
			System.out.println(ans);
		}

	} main {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int a = sc.nextInt();
		int limit = sc.nextInt();
		int ans = Integer.MAX_VALUE;
		for (int i = 0; i < a; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (t <= limit) {
				if (c < ans) {
					ans = c;
				}
			}
		}

		if (ans == Integer.MAX_VALUE) {
			System.out.println("TLE");
		} else {
			System.out.println(ans);
		}

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int limit = sc.nextInt(); limit sc.nextInt() sc.nextInt sc int ans = Integer.MAX_VALUE; ans Integer.MAX_VALUE Integer Integer.MAX_VALUE for (int i = 0; i < a; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (t <= limit) {
				if (c < ans) {
					ans = c;
				}
			}
		} int i = 0; int i = 0; i 0 i < a i a i++ i++ i {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (t <= limit) {
				if (c < ans) {
					ans = c;
				}
			}
		} {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (t <= limit) {
				if (c < ans) {
					ans = c;
				}
			}
		} int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc int t = sc.nextInt(); t sc.nextInt() sc.nextInt sc if (t <= limit) {
				if (c < ans) {
					ans = c;
				}
			} t <= limit t limit {
				if (c < ans) {
					ans = c;
				}
			} if (c < ans) {
					ans = c;
				} c < ans c ans {
					ans = c;
				} ans = c ans c if (ans == Integer.MAX_VALUE) {
			System.out.println("TLE");
		} else {
			System.out.println(ans);
		} ans == Integer.MAX_VALUE ans Integer.MAX_VALUE Integer Integer.MAX_VALUE {
			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);
		// 整数の入力
		int a = sc.nextInt();
		int limit = sc.nextInt();
		int ans = Integer.MAX_VALUE;
		for (int i = 0; i < a; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (t <= limit) {
				if (c < ans) {
					ans = c;
				}
			}
		}

		if (ans == Integer.MAX_VALUE) {
			System.out.println("TLE");
		} else {
			System.out.println(ans);
		}

	}

} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int a = sc.nextInt();
		int limit = sc.nextInt();
		int ans = Integer.MAX_VALUE;
		for (int i = 0; i < a; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (t <= limit) {
				if (c < ans) {
					ans = c;
				}
			}
		}

		if (ans == Integer.MAX_VALUE) {
			System.out.println("TLE");
		} else {
			System.out.println(ans);
		}

	}

} Main

import java.util.*;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int a = sc.nextInt();
		int limit = sc.nextInt();
		int ans = Integer.MAX_VALUE;
		for (int i = 0; i < a; i++) {
			int c = sc.nextInt();
			int t = sc.nextInt();
			if (t <= limit) {
				if (c < ans) {
					ans = c;
				}
			}
		}

		if (ans == Integer.MAX_VALUE) {
			System.out.println("TLE");
		} else {
			System.out.println(ans);
		}

	}

}
