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[] 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 cmin = c[0];
		int imin = 0;

		for(int j=0; j<N; j++) {
			if(c[j] < cmin && t[j] <= T) {
				cmin = c[j];
				imin = j;
			}
		}

		if(t[imin] > T) {
			System.out.println("TLE");
		}else {
			System.out.println(cmin);
		}

	}

} 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[] 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 cmin = c[0];
		int imin = 0;

		for(int j=0; j<N; j++) {
			if(c[j] < cmin && t[j] <= T) {
				cmin = c[j];
				imin = j;
			}
		}

		if(t[imin] > T) {
			System.out.println("TLE");
		}else {
			System.out.println(cmin);
		}

	}

} Main public static void main(String[] args) {
		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 cmin = c[0];
		int imin = 0;

		for(int j=0; j<N; j++) {
			if(c[j] < cmin && t[j] <= T) {
				cmin = c[j];
				imin = j;
			}
		}

		if(t[imin] > T) {
			System.out.println("TLE");
		}else {
			System.out.println(cmin);
		}

	} main {
		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 cmin = c[0];
		int imin = 0;

		for(int j=0; j<N; j++) {
			if(c[j] < cmin && t[j] <= T) {
				cmin = c[j];
				imin = j;
			}
		}

		if(t[imin] > T) {
			System.out.println("TLE");
		}else {
			System.out.println(cmin);
		}

	} 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 cmin = c[0]; cmin c[0] c 0 int imin = 0; imin 0 for(int j=0; j<N; j++) {
			if(c[j] < cmin && t[j] <= T) {
				cmin = c[j];
				imin = j;
			}
		} int j=0; int j=0; j 0 j<N j N j++ j++ j {
			if(c[j] < cmin && t[j] <= T) {
				cmin = c[j];
				imin = j;
			}
		} {
			if(c[j] < cmin && t[j] <= T) {
				cmin = c[j];
				imin = j;
			}
		} if(c[j] < cmin && t[j] <= T) {
				cmin = c[j];
				imin = j;
			} c[j] < cmin && t[j] <= T c[j] < cmin c[j] c j cmin t[j] <= T t[j] t j T {
				cmin = c[j];
				imin = j;
			} cmin = c[j] cmin c[j] c j imin = j imin j if(t[imin] > T) {
			System.out.println("TLE");
		}else {
			System.out.println(cmin);
		} t[imin] > T t[imin] t imin T {
			System.out.println("TLE");
		} System.out.println("TLE") System.out.println System.out System System.out "TLE" {
			System.out.println(cmin);
		} System.out.println(cmin) System.out.println System.out System System.out cmin 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[] 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 cmin = c[0];
		int imin = 0;

		for(int j=0; j<N; j++) {
			if(c[j] < cmin && t[j] <= T) {
				cmin = c[j];
				imin = j;
			}
		}

		if(t[imin] > T) {
			System.out.println("TLE");
		}else {
			System.out.println(cmin);
		}

	}

} public class Main {

	public static void main(String[] args) {
		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 cmin = c[0];
		int imin = 0;

		for(int j=0; j<N; j++) {
			if(c[j] < cmin && t[j] <= T) {
				cmin = c[j];
				imin = j;
			}
		}

		if(t[imin] > T) {
			System.out.println("TLE");
		}else {
			System.out.println(cmin);
		}

	}

} 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[] 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 cmin = c[0];
		int imin = 0;

		for(int j=0; j<N; j++) {
			if(c[j] < cmin && t[j] <= T) {
				cmin = c[j];
				imin = j;
			}
		}

		if(t[imin] > T) {
			System.out.println("TLE");
		}else {
			System.out.println(cmin);
		}

	}

}
