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 minc = 1001;
        for(int i=0; i<n; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(T >= t){
                if(minc > c) minc = c;
            }
        }
        if(minc == 1001) System.out.println("TLE");
        else System.out.println(minc);
    }
} 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 minc = 1001;
        for(int i=0; i<n; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(T >= t){
                if(minc > c) minc = c;
            }
        }
        if(minc == 1001) System.out.println("TLE");
        else System.out.println(minc);
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int T = sc.nextInt();
        int minc = 1001;
        for(int i=0; i<n; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(T >= t){
                if(minc > c) minc = c;
            }
        }
        if(minc == 1001) System.out.println("TLE");
        else System.out.println(minc);
    } main {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int T = sc.nextInt();
        int minc = 1001;
        for(int i=0; i<n; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(T >= t){
                if(minc > c) minc = c;
            }
        }
        if(minc == 1001) System.out.println("TLE");
        else System.out.println(minc);
    } 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 minc = 1001; minc 1001 for(int i=0; i<n; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(T >= t){
                if(minc > c) minc = c;
            }
        } int i=0; int i=0; i 0 i<n i n i++ i++ i {
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(T >= t){
                if(minc > c) minc = c;
            }
        } {
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(T >= t){
                if(minc > c) minc = c;
            }
        } int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc int t = sc.nextInt(); t sc.nextInt() sc.nextInt sc if(T >= t){
                if(minc > c) minc = c;
            } T >= t T t {
                if(minc > c) minc = c;
            } if(minc > c) minc = c; minc > c minc c minc = c minc c if(minc == 1001) System.out.println("TLE");
        else System.out.println(minc); minc == 1001 minc 1001 System.out.println("TLE") System.out.println System.out System System.out "TLE" System.out.println(minc) System.out.println System.out System System.out minc 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 minc = 1001;
        for(int i=0; i<n; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(T >= t){
                if(minc > c) minc = c;
            }
        }
        if(minc == 1001) System.out.println("TLE");
        else System.out.println(minc);
    }
} public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int T = sc.nextInt();
        int minc = 1001;
        for(int i=0; i<n; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(T >= t){
                if(minc > c) minc = c;
            }
        }
        if(minc == 1001) System.out.println("TLE");
        else System.out.println(minc);
    }
} 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 minc = 1001;
        for(int i=0; i<n; i++){
            int c = sc.nextInt();
            int t = sc.nextInt();
            if(T >= t){
                if(minc > c) minc = c;
            }
        }
        if(minc == 1001) System.out.println("TLE");
        else System.out.println(minc);
    }
}