import java.util.*;
import static java.lang.Math.*;
import java.math.BigInteger;

public class Main {

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int t = sc.nextInt();
		int min = Integer.MAX_VALUE;
		for(int i = 0; i < n; i++){
		    int c_i = sc.nextInt();
		    int t_i = sc.nextInt();
		    if(t_i <= t){
		        min = min(min, c_i);
		    }
		}

		
		// 計算
		int result = min;
		
		// 出力
		if(result == Integer.MAX_VALUE){
		    System.out.println("TLE");
		}else{
		    System.out.println(result);
		}
		
	}
} import java.util.*; util.* java import static java.lang.Math.*; import static java.lang.Math.*; import static java.lang.Math.*; import java.math.BigInteger; BigInteger java.math public class Main {

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int t = sc.nextInt();
		int min = Integer.MAX_VALUE;
		for(int i = 0; i < n; i++){
		    int c_i = sc.nextInt();
		    int t_i = sc.nextInt();
		    if(t_i <= t){
		        min = min(min, c_i);
		    }
		}

		
		// 計算
		int result = min;
		
		// 出力
		if(result == Integer.MAX_VALUE){
		    System.out.println("TLE");
		}else{
		    System.out.println(result);
		}
		
	}
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int t = sc.nextInt();
		int min = Integer.MAX_VALUE;
		for(int i = 0; i < n; i++){
		    int c_i = sc.nextInt();
		    int t_i = sc.nextInt();
		    if(t_i <= t){
		        min = min(min, c_i);
		    }
		}

		
		// 計算
		int result = min;
		
		// 出力
		if(result == Integer.MAX_VALUE){
		    System.out.println("TLE");
		}else{
		    System.out.println(result);
		}
		
	} main {
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int t = sc.nextInt();
		int min = Integer.MAX_VALUE;
		for(int i = 0; i < n; i++){
		    int c_i = sc.nextInt();
		    int t_i = sc.nextInt();
		    if(t_i <= t){
		        min = min(min, c_i);
		    }
		}

		
		// 計算
		int result = min;
		
		// 出力
		if(result == Integer.MAX_VALUE){
		    System.out.println("TLE");
		}else{
		    System.out.println(result);
		}
		
	} 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 min = Integer.MAX_VALUE; min Integer.MAX_VALUE Integer Integer.MAX_VALUE for(int i = 0; i < n; i++){
		    int c_i = sc.nextInt();
		    int t_i = sc.nextInt();
		    if(t_i <= t){
		        min = min(min, c_i);
		    }
		} int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
		    int c_i = sc.nextInt();
		    int t_i = sc.nextInt();
		    if(t_i <= t){
		        min = min(min, c_i);
		    }
		} {
		    int c_i = sc.nextInt();
		    int t_i = sc.nextInt();
		    if(t_i <= t){
		        min = min(min, c_i);
		    }
		} int c_i = sc.nextInt(); c_i sc.nextInt() sc.nextInt sc int t_i = sc.nextInt(); t_i sc.nextInt() sc.nextInt sc if(t_i <= t){
		        min = min(min, c_i);
		    } t_i <= t t_i t {
		        min = min(min, c_i);
		    } min = min(min, c_i) min min(min, c_i) min min c_i int result = min; result min if(result == Integer.MAX_VALUE){
		    System.out.println("TLE");
		}else{
		    System.out.println(result);
		} result == Integer.MAX_VALUE result 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(result);
		} System.out.println(result) System.out.println System.out System System.out result String[] args args public class Main {

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int t = sc.nextInt();
		int min = Integer.MAX_VALUE;
		for(int i = 0; i < n; i++){
		    int c_i = sc.nextInt();
		    int t_i = sc.nextInt();
		    if(t_i <= t){
		        min = min(min, c_i);
		    }
		}

		
		// 計算
		int result = min;
		
		// 出力
		if(result == Integer.MAX_VALUE){
		    System.out.println("TLE");
		}else{
		    System.out.println(result);
		}
		
	}
} public class Main {

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int t = sc.nextInt();
		int min = Integer.MAX_VALUE;
		for(int i = 0; i < n; i++){
		    int c_i = sc.nextInt();
		    int t_i = sc.nextInt();
		    if(t_i <= t){
		        min = min(min, c_i);
		    }
		}

		
		// 計算
		int result = min;
		
		// 出力
		if(result == Integer.MAX_VALUE){
		    System.out.println("TLE");
		}else{
		    System.out.println(result);
		}
		
	}
} Main
import java.util.*;
import static java.lang.Math.*;
import java.math.BigInteger;

public class Main {

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		// 入力
		int n = sc.nextInt();
		int t = sc.nextInt();
		int min = Integer.MAX_VALUE;
		for(int i = 0; i < n; i++){
		    int c_i = sc.nextInt();
		    int t_i = sc.nextInt();
		    if(t_i <= t){
		        min = min(min, c_i);
		    }
		}

		
		// 計算
		int result = min;
		
		// 出力
		if(result == Integer.MAX_VALUE){
		    System.out.println("TLE");
		}else{
		    System.out.println(result);
		}
		
	}
}