import 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];
      int min = 100000;
      for(int i = 0;i < n;i++){
      	c[i] = sc.nextInt();
        t[i] = sc.nextInt();
        if(t[i] > T) c[i] = 10000;
        min = Math.min(min,c[i]);
      }
      if(min >= 10000)System.out.println("TLE");
      else if(min <= 1000)System.out.println(min);
    }
} import java.util.*; util.* java 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];
      int min = 100000;
      for(int i = 0;i < n;i++){
      	c[i] = sc.nextInt();
        t[i] = sc.nextInt();
        if(t[i] > T) c[i] = 10000;
        min = Math.min(min,c[i]);
      }
      if(min >= 10000)System.out.println("TLE");
      else if(min <= 1000)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[] t = new int[n];
      int min = 100000;
      for(int i = 0;i < n;i++){
      	c[i] = sc.nextInt();
        t[i] = sc.nextInt();
        if(t[i] > T) c[i] = 10000;
        min = Math.min(min,c[i]);
      }
      if(min >= 10000)System.out.println("TLE");
      else if(min <= 1000)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[] t = new int[n];
      int min = 100000;
      for(int i = 0;i < n;i++){
      	c[i] = sc.nextInt();
        t[i] = sc.nextInt();
        if(t[i] > T) c[i] = 10000;
        min = Math.min(min,c[i]);
      }
      if(min >= 10000)System.out.println("TLE");
      else if(min <= 1000)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 int min = 100000; min 100000 for(int i = 0;i < n;i++){
      	c[i] = sc.nextInt();
        t[i] = sc.nextInt();
        if(t[i] > T) c[i] = 10000;
        min = Math.min(min,c[i]);
      } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
      	c[i] = sc.nextInt();
        t[i] = sc.nextInt();
        if(t[i] > T) c[i] = 10000;
        min = Math.min(min,c[i]);
      } {
      	c[i] = sc.nextInt();
        t[i] = sc.nextInt();
        if(t[i] > T) c[i] = 10000;
        min = Math.min(min,c[i]);
      } 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 if(t[i] > T) c[i] = 10000; t[i] > T t[i] t i T c[i] = 10000 c[i] c i 10000 min = Math.min(min,c[i]) min Math.min(min,c[i]) Math.min Math min c[i] c i if(min >= 10000)System.out.println("TLE");
      else if(min <= 1000)System.out.println(min); min >= 10000 min 10000 System.out.println("TLE") System.out.println System.out System System.out "TLE" if(min <= 1000)System.out.println(min); min <= 1000 min 1000 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[] t = new int[n];
      int min = 100000;
      for(int i = 0;i < n;i++){
      	c[i] = sc.nextInt();
        t[i] = sc.nextInt();
        if(t[i] > T) c[i] = 10000;
        min = Math.min(min,c[i]);
      }
      if(min >= 10000)System.out.println("TLE");
      else if(min <= 1000)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[] t = new int[n];
      int min = 100000;
      for(int i = 0;i < n;i++){
      	c[i] = sc.nextInt();
        t[i] = sc.nextInt();
        if(t[i] > T) c[i] = 10000;
        min = Math.min(min,c[i]);
      }
      if(min >= 10000)System.out.println("TLE");
      else if(min <= 1000)System.out.println(min);
    }
} Main
import 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];
      int min = 100000;
      for(int i = 0;i < n;i++){
      	c[i] = sc.nextInt();
        t[i] = sc.nextInt();
        if(t[i] > T) c[i] = 10000;
        min = Math.min(min,c[i]);
      }
      if(min >= 10000)System.out.println("TLE");
      else if(min <= 1000)System.out.println(min);
    }
}
