

import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class Main {

	static Scanner scanner;

	public static void main(String[] args) {
	    scanner = new Scanner(System.in);

        int N=gi();
        int T=gi();
        
        int min=Integer.MAX_VALUE;
        for(int i=0; i<N;i++) {
        	int c=gi();
        	int t=gi();
        	if (t<=T && min>c) {
        		min = c;
        	}
        }
	    //System.out.println(min);
	    
        if (min==Integer.MAX_VALUE) {
        	System.out.println("TLE");
        }else {
        	System.out.println(min);
        }
	}


	public static long d(long n) {
		String a=String.valueOf(n);
		return (long)a.length();
	}

	// 文字列として入力を取得
	public static String gs() {
		return scanner.next();
	}

	// intとして入力を取得
	public static int gi() {
		return Integer.parseInt(scanner.next());
	}

	// longとして入力を取得
	public static long gl() {
		return Long.parseLong(scanner.next());
	}

	// doubleとして入力を取得
	public static double gd() {
		return Double.parseDouble(scanner.next());
	}
} import java.util.Arrays; Arrays java.util import java.util.HashMap; HashMap java.util import java.util.Map; Map java.util import java.util.Scanner; Scanner java.util public class Main {

	static Scanner scanner;

	public static void main(String[] args) {
	    scanner = new Scanner(System.in);

        int N=gi();
        int T=gi();
        
        int min=Integer.MAX_VALUE;
        for(int i=0; i<N;i++) {
        	int c=gi();
        	int t=gi();
        	if (t<=T && min>c) {
        		min = c;
        	}
        }
	    //System.out.println(min);
	    
        if (min==Integer.MAX_VALUE) {
        	System.out.println("TLE");
        }else {
        	System.out.println(min);
        }
	}


	public static long d(long n) {
		String a=String.valueOf(n);
		return (long)a.length();
	}

	// 文字列として入力を取得
	public static String gs() {
		return scanner.next();
	}

	// intとして入力を取得
	public static int gi() {
		return Integer.parseInt(scanner.next());
	}

	// longとして入力を取得
	public static long gl() {
		return Long.parseLong(scanner.next());
	}

	// doubleとして入力を取得
	public static double gd() {
		return Double.parseDouble(scanner.next());
	}
} Main static Scanner scanner; scanner public static void main(String[] args) {
	    scanner = new Scanner(System.in);

        int N=gi();
        int T=gi();
        
        int min=Integer.MAX_VALUE;
        for(int i=0; i<N;i++) {
        	int c=gi();
        	int t=gi();
        	if (t<=T && min>c) {
        		min = c;
        	}
        }
	    //System.out.println(min);
	    
        if (min==Integer.MAX_VALUE) {
        	System.out.println("TLE");
        }else {
        	System.out.println(min);
        }
	} main {
	    scanner = new Scanner(System.in);

        int N=gi();
        int T=gi();
        
        int min=Integer.MAX_VALUE;
        for(int i=0; i<N;i++) {
        	int c=gi();
        	int t=gi();
        	if (t<=T && min>c) {
        		min = c;
        	}
        }
	    //System.out.println(min);
	    
        if (min==Integer.MAX_VALUE) {
        	System.out.println("TLE");
        }else {
        	System.out.println(min);
        }
	} scanner = new Scanner(System.in) scanner new Scanner(System.in) int N=gi(); N gi() gi int T=gi(); T gi() gi int min=Integer.MAX_VALUE; min Integer.MAX_VALUE Integer Integer.MAX_VALUE for(int i=0; i<N;i++) {
        	int c=gi();
        	int t=gi();
        	if (t<=T && min>c) {
        		min = c;
        	}
        } int i=0; int i=0; i 0 i<N i N i++ i++ i {
        	int c=gi();
        	int t=gi();
        	if (t<=T && min>c) {
        		min = c;
        	}
        } {
        	int c=gi();
        	int t=gi();
        	if (t<=T && min>c) {
        		min = c;
        	}
        } int c=gi(); c gi() gi int t=gi(); t gi() gi if (t<=T && min>c) {
        		min = c;
        	} t<=T && min>c t<=T t T min>c min c {
        		min = c;
        	} min = c min c if (min==Integer.MAX_VALUE) {
        	System.out.println("TLE");
        }else {
        	System.out.println(min);
        } min==Integer.MAX_VALUE min 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(min);
        } System.out.println(min) System.out.println System.out System System.out min String[] args args public static long d(long n) {
		String a=String.valueOf(n);
		return (long)a.length();
	} d {
		String a=String.valueOf(n);
		return (long)a.length();
	} String a=String.valueOf(n); a String.valueOf(n) String.valueOf String n return (long)a.length(); (long)a.length() a.length a long n n // 文字列として入力を取得
	public static String gs() {
		return scanner.next();
	} gs {
		return scanner.next();
	} return scanner.next(); scanner.next() scanner.next scanner // intとして入力を取得
	public static int gi() {
		return Integer.parseInt(scanner.next());
	} gi {
		return Integer.parseInt(scanner.next());
	} return Integer.parseInt(scanner.next()); Integer.parseInt(scanner.next()) Integer.parseInt Integer scanner.next() scanner.next scanner // longとして入力を取得
	public static long gl() {
		return Long.parseLong(scanner.next());
	} gl {
		return Long.parseLong(scanner.next());
	} return Long.parseLong(scanner.next()); Long.parseLong(scanner.next()) Long.parseLong Long scanner.next() scanner.next scanner // doubleとして入力を取得
	public static double gd() {
		return Double.parseDouble(scanner.next());
	} gd {
		return Double.parseDouble(scanner.next());
	} return Double.parseDouble(scanner.next()); Double.parseDouble(scanner.next()) Double.parseDouble Double scanner.next() scanner.next scanner public class Main {

	static Scanner scanner;

	public static void main(String[] args) {
	    scanner = new Scanner(System.in);

        int N=gi();
        int T=gi();
        
        int min=Integer.MAX_VALUE;
        for(int i=0; i<N;i++) {
        	int c=gi();
        	int t=gi();
        	if (t<=T && min>c) {
        		min = c;
        	}
        }
	    //System.out.println(min);
	    
        if (min==Integer.MAX_VALUE) {
        	System.out.println("TLE");
        }else {
        	System.out.println(min);
        }
	}


	public static long d(long n) {
		String a=String.valueOf(n);
		return (long)a.length();
	}

	// 文字列として入力を取得
	public static String gs() {
		return scanner.next();
	}

	// intとして入力を取得
	public static int gi() {
		return Integer.parseInt(scanner.next());
	}

	// longとして入力を取得
	public static long gl() {
		return Long.parseLong(scanner.next());
	}

	// doubleとして入力を取得
	public static double gd() {
		return Double.parseDouble(scanner.next());
	}
} public class Main {

	static Scanner scanner;

	public static void main(String[] args) {
	    scanner = new Scanner(System.in);

        int N=gi();
        int T=gi();
        
        int min=Integer.MAX_VALUE;
        for(int i=0; i<N;i++) {
        	int c=gi();
        	int t=gi();
        	if (t<=T && min>c) {
        		min = c;
        	}
        }
	    //System.out.println(min);
	    
        if (min==Integer.MAX_VALUE) {
        	System.out.println("TLE");
        }else {
        	System.out.println(min);
        }
	}


	public static long d(long n) {
		String a=String.valueOf(n);
		return (long)a.length();
	}

	// 文字列として入力を取得
	public static String gs() {
		return scanner.next();
	}

	// intとして入力を取得
	public static int gi() {
		return Integer.parseInt(scanner.next());
	}

	// longとして入力を取得
	public static long gl() {
		return Long.parseLong(scanner.next());
	}

	// doubleとして入力を取得
	public static double gd() {
		return Double.parseDouble(scanner.next());
	}
} Main


import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class Main {

	static Scanner scanner;

	public static void main(String[] args) {
	    scanner = new Scanner(System.in);

        int N=gi();
        int T=gi();
        
        int min=Integer.MAX_VALUE;
        for(int i=0; i<N;i++) {
        	int c=gi();
        	int t=gi();
        	if (t<=T && min>c) {
        		min = c;
        	}
        }
	    //System.out.println(min);
	    
        if (min==Integer.MAX_VALUE) {
        	System.out.println("TLE");
        }else {
        	System.out.println(min);
        }
	}


	public static long d(long n) {
		String a=String.valueOf(n);
		return (long)a.length();
	}

	// 文字列として入力を取得
	public static String gs() {
		return scanner.next();
	}

	// intとして入力を取得
	public static int gi() {
		return Integer.parseInt(scanner.next());
	}

	// longとして入力を取得
	public static long gl() {
		return Long.parseLong(scanner.next());
	}

	// doubleとして入力を取得
	public static double gd() {
		return Double.parseDouble(scanner.next());
	}
}