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 tl[]=new int [n];

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

		int min=10000;

		for(int i=0;i<n;i++){
			if(t>=tl[i]){
				if(min>c[i]){
					min=c[i];
				}
			}
		}

		if(min==10000){
			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 c[]=new int [n];
		int tl[]=new int [n];

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

		int min=10000;

		for(int i=0;i<n;i++){
			if(t>=tl[i]){
				if(min>c[i]){
					min=c[i];
				}
			}
		}

		if(min==10000){
			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 c[]=new int [n];
		int tl[]=new int [n];

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

		int min=10000;

		for(int i=0;i<n;i++){
			if(t>=tl[i]){
				if(min>c[i]){
					min=c[i];
				}
			}
		}

		if(min==10000){
			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 c[]=new int [n];
		int tl[]=new int [n];

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

		int min=10000;

		for(int i=0;i<n;i++){
			if(t>=tl[i]){
				if(min>c[i]){
					min=c[i];
				}
			}
		}

		if(min==10000){
			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 tl[]=new int [n]; tl new int [n] n for(int i=0;i<n;i++){
			c[i]=sc.nextInt();
			tl[i]=sc.nextInt();
		} int i=0; int i=0; i 0 i<n i n i++ i++ i {
			c[i]=sc.nextInt();
			tl[i]=sc.nextInt();
		} {
			c[i]=sc.nextInt();
			tl[i]=sc.nextInt();
		} c[i]=sc.nextInt() c[i] c i sc.nextInt() sc.nextInt sc tl[i]=sc.nextInt() tl[i] tl i sc.nextInt() sc.nextInt sc int min=10000; min 10000 for(int i=0;i<n;i++){
			if(t>=tl[i]){
				if(min>c[i]){
					min=c[i];
				}
			}
		} int i=0; int i=0; i 0 i<n i n i++ i++ i {
			if(t>=tl[i]){
				if(min>c[i]){
					min=c[i];
				}
			}
		} {
			if(t>=tl[i]){
				if(min>c[i]){
					min=c[i];
				}
			}
		} if(t>=tl[i]){
				if(min>c[i]){
					min=c[i];
				}
			} t>=tl[i] t tl[i] tl i {
				if(min>c[i]){
					min=c[i];
				}
			} if(min>c[i]){
					min=c[i];
				} min>c[i] min c[i] c i {
					min=c[i];
				} min=c[i] min c[i] c i if(min==10000){
			System.out.println("TLE");
		}else{
			System.out.println(min);

		} min==10000 min 10000 {
			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 c[]=new int [n];
		int tl[]=new int [n];

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

		int min=10000;

		for(int i=0;i<n;i++){
			if(t>=tl[i]){
				if(min>c[i]){
					min=c[i];
				}
			}
		}

		if(min==10000){
			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 c[]=new int [n];
		int tl[]=new int [n];

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

		int min=10000;

		for(int i=0;i<n;i++){
			if(t>=tl[i]){
				if(min>c[i]){
					min=c[i];
				}
			}
		}

		if(min==10000){
			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 c[]=new int [n];
		int tl[]=new int [n];

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

		int min=10000;

		for(int i=0;i<n;i++){
			if(t>=tl[i]){
				if(min>c[i]){
					min=c[i];
				}
			}
		}

		if(min==10000){
			System.out.println("TLE");
		}else{
			System.out.println(min);

		}


	}

}
