import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);

		int N = sc.nextInt();
		int T = sc.nextInt();
		int[] c = new int[N];
		int[] t = new int[N];

		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}


		int min = c[0];
		int index = -1;

		for (int i = 0; i < N; i++) {
			if (t[i] > T)
				continue;
			if (c[i] <= min) {
				min = c[i];
				index = i;
			}
		}

		if (index == -1)
			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) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);

		int N = sc.nextInt();
		int T = sc.nextInt();
		int[] c = new int[N];
		int[] t = new int[N];

		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}


		int min = c[0];
		int index = -1;

		for (int i = 0; i < N; i++) {
			if (t[i] > T)
				continue;
			if (c[i] <= min) {
				min = c[i];
				index = i;
			}
		}

		if (index == -1)
			System.out.println("TLE");
		else
			System.out.println(min);

	}

} Main public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);

		int N = sc.nextInt();
		int T = sc.nextInt();
		int[] c = new int[N];
		int[] t = new int[N];

		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}


		int min = c[0];
		int index = -1;

		for (int i = 0; i < N; i++) {
			if (t[i] > T)
				continue;
			if (c[i] <= min) {
				min = c[i];
				index = i;
			}
		}

		if (index == -1)
			System.out.println("TLE");
		else
			System.out.println(min);

	} main {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);

		int N = sc.nextInt();
		int T = sc.nextInt();
		int[] c = new int[N];
		int[] t = new int[N];

		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}


		int min = c[0];
		int index = -1;

		for (int i = 0; i < N; i++) {
			if (t[i] > T)
				continue;
			if (c[i] <= min) {
				min = c[i];
				index = i;
			}
		}

		if (index == -1)
			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[] c = new int[N]; c new int[N] N int[] t = new int[N]; t new int[N] N for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		} int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		} {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		} c[i] = sc.nextInt() c[i] c i sc.nextInt() sc.nextInt sc t[i] = sc.nextInt() t[i] t i sc.nextInt() sc.nextInt sc int min = c[0]; min c[0] c 0 int index = -1; index -1 1 for (int i = 0; i < N; i++) {
			if (t[i] > T)
				continue;
			if (c[i] <= min) {
				min = c[i];
				index = i;
			}
		} int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
			if (t[i] > T)
				continue;
			if (c[i] <= min) {
				min = c[i];
				index = i;
			}
		} {
			if (t[i] > T)
				continue;
			if (c[i] <= min) {
				min = c[i];
				index = i;
			}
		} if (t[i] > T)
				continue; t[i] > T t[i] t i T continue; if (c[i] <= min) {
				min = c[i];
				index = i;
			} c[i] <= min c[i] c i min {
				min = c[i];
				index = i;
			} min = c[i] min c[i] c i index = i index i if (index == -1)
			System.out.println("TLE");
		else
			System.out.println(min); index == -1 index -1 1 System.out.println("TLE") System.out.println System.out System System.out "TLE" 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) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);

		int N = sc.nextInt();
		int T = sc.nextInt();
		int[] c = new int[N];
		int[] t = new int[N];

		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}


		int min = c[0];
		int index = -1;

		for (int i = 0; i < N; i++) {
			if (t[i] > T)
				continue;
			if (c[i] <= min) {
				min = c[i];
				index = i;
			}
		}

		if (index == -1)
			System.out.println("TLE");
		else
			System.out.println(min);

	}

} public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);

		int N = sc.nextInt();
		int T = sc.nextInt();
		int[] c = new int[N];
		int[] t = new int[N];

		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}


		int min = c[0];
		int index = -1;

		for (int i = 0; i < N; i++) {
			if (t[i] > T)
				continue;
			if (c[i] <= min) {
				min = c[i];
				index = i;
			}
		}

		if (index == -1)
			System.out.println("TLE");
		else
			System.out.println(min);

	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);

		int N = sc.nextInt();
		int T = sc.nextInt();
		int[] c = new int[N];
		int[] t = new int[N];

		for (int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}


		int min = c[0];
		int index = -1;

		for (int i = 0; i < N; i++) {
			if (t[i] > T)
				continue;
			if (c[i] <= min) {
				min = c[i];
				index = i;
			}
		}

		if (index == -1)
			System.out.println("TLE");
		else
			System.out.println(min);

	}

}
