import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        //値を取得
        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 = 0;
        
        for (int i = 0; i < N; ++i){
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
            if (t[i] <= T){
                if (min > c[i] || min == 0){
                    min = c[i];
                }
            }
        }
        
        if (min == 0){  //すべてTより大きかった場合
             System.out.println("TLE");
        } else {
            System.out.println(min);
        }

    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        //値を取得
        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 = 0;
        
        for (int i = 0; i < N; ++i){
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
            if (t[i] <= T){
                if (min > c[i] || min == 0){
                    min = c[i];
                }
            }
        }
        
        if (min == 0){  //すべてTより大きかった場合
             System.out.println("TLE");
        } else {
            System.out.println(min);
        }

    }
} Main public static void main(String[] args) throws Exception {
        //値を取得
        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 = 0;
        
        for (int i = 0; i < N; ++i){
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
            if (t[i] <= T){
                if (min > c[i] || min == 0){
                    min = c[i];
                }
            }
        }
        
        if (min == 0){  //すべてTより大きかった場合
             System.out.println("TLE");
        } else {
            System.out.println(min);
        }

    } main {
        //値を取得
        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 = 0;
        
        for (int i = 0; i < N; ++i){
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
            if (t[i] <= T){
                if (min > c[i] || min == 0){
                    min = c[i];
                }
            }
        }
        
        if (min == 0){  //すべてTより大きかった場合
             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[] t = new int[N]; t new int[N] N int min = 0; min 0 for (int i = 0; i < N; ++i){
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
            if (t[i] <= T){
                if (min > c[i] || min == 0){
                    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){
                if (min > c[i] || min == 0){
                    min = c[i];
                }
            }
        } {
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
            if (t[i] <= T){
                if (min > c[i] || min == 0){
                    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){
                if (min > c[i] || min == 0){
                    min = c[i];
                }
            } t[i] <= T t[i] t i T {
                if (min > c[i] || min == 0){
                    min = c[i];
                }
            } if (min > c[i] || min == 0){
                    min = c[i];
                } min > c[i] || min == 0 min > c[i] min c[i] c i min == 0 min 0 {
                    min = c[i];
                } min = c[i] min c[i] c i if (min == 0){  //すべてTより大きかった場合
             System.out.println("TLE");
        } else {
            System.out.println(min);
        } min == 0 min 0 {  //すべてTより大きかった場合
             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) throws Exception {
        //値を取得
        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 = 0;
        
        for (int i = 0; i < N; ++i){
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
            if (t[i] <= T){
                if (min > c[i] || min == 0){
                    min = c[i];
                }
            }
        }
        
        if (min == 0){  //すべてTより大きかった場合
             System.out.println("TLE");
        } else {
            System.out.println(min);
        }

    }
} public class Main {
    public static void main(String[] args) throws Exception {
        //値を取得
        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 = 0;
        
        for (int i = 0; i < N; ++i){
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
            if (t[i] <= T){
                if (min > c[i] || min == 0){
                    min = c[i];
                }
            }
        }
        
        if (min == 0){  //すべてTより大きかった場合
             System.out.println("TLE");
        } else {
            System.out.println(min);
        }

    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        //値を取得
        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 = 0;
        
        for (int i = 0; i < N; ++i){
            c[i] = sc.nextInt();
            t[i] = sc.nextInt();
            if (t[i] <= T){
                if (min > c[i] || min == 0){
                    min = c[i];
                }
            }
        }
        
        if (min == 0){  //すべてTより大きかった場合
             System.out.println("TLE");
        } else {
            System.out.println(min);
        }

    }
}