import java.util.Scanner;
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];
		for(int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}
		int ans = 2000000000;
		for(int i = 0; i < N; i++) {
			if(t[i] <= T) {
				if(c[i] < ans) {
					ans = c[i];
				}
			}
		}
		if(ans == 2000000000) {
			System.out.println("TLE");
		}else{
			System.out.println(ans);
		}
	}

} import java.util.Scanner; Scanner 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];
		for(int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}
		int ans = 2000000000;
		for(int i = 0; i < N; i++) {
			if(t[i] <= T) {
				if(c[i] < ans) {
					ans = c[i];
				}
			}
		}
		if(ans == 2000000000) {
			System.out.println("TLE");
		}else{
			System.out.println(ans);
		}
	}

} 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];
		for(int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}
		int ans = 2000000000;
		for(int i = 0; i < N; i++) {
			if(t[i] <= T) {
				if(c[i] < ans) {
					ans = c[i];
				}
			}
		}
		if(ans == 2000000000) {
			System.out.println("TLE");
		}else{
			System.out.println(ans);
		}
	} 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];
		for(int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}
		int ans = 2000000000;
		for(int i = 0; i < N; i++) {
			if(t[i] <= T) {
				if(c[i] < ans) {
					ans = c[i];
				}
			}
		}
		if(ans == 2000000000) {
			System.out.println("TLE");
		}else{
			System.out.println(ans);
		}
	} 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 for(int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		} int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		} {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		} 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 int ans = 2000000000; ans 2000000000 for(int i = 0; i < N; i++) {
			if(t[i] <= T) {
				if(c[i] < ans) {
					ans = c[i];
				}
			}
		} int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
			if(t[i] <= T) {
				if(c[i] < ans) {
					ans = c[i];
				}
			}
		} {
			if(t[i] <= T) {
				if(c[i] < ans) {
					ans = c[i];
				}
			}
		} if(t[i] <= T) {
				if(c[i] < ans) {
					ans = c[i];
				}
			} t[i] <= T t[i] t i T {
				if(c[i] < ans) {
					ans = c[i];
				}
			} if(c[i] < ans) {
					ans = c[i];
				} c[i] < ans c[i] c i ans {
					ans = c[i];
				} ans = c[i] ans c[i] c i if(ans == 2000000000) {
			System.out.println("TLE");
		}else{
			System.out.println(ans);
		} ans == 2000000000 ans 2000000000 {
			System.out.println("TLE");
		} System.out.println("TLE") System.out.println System.out System System.out "TLE" {
			System.out.println(ans);
		} System.out.println(ans) System.out.println System.out System System.out ans 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];
		for(int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}
		int ans = 2000000000;
		for(int i = 0; i < N; i++) {
			if(t[i] <= T) {
				if(c[i] < ans) {
					ans = c[i];
				}
			}
		}
		if(ans == 2000000000) {
			System.out.println("TLE");
		}else{
			System.out.println(ans);
		}
	}

} 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];
		for(int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}
		int ans = 2000000000;
		for(int i = 0; i < N; i++) {
			if(t[i] <= T) {
				if(c[i] < ans) {
					ans = c[i];
				}
			}
		}
		if(ans == 2000000000) {
			System.out.println("TLE");
		}else{
			System.out.println(ans);
		}
	}

} Main
import java.util.Scanner;
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];
		for(int i = 0; i < N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
		}
		int ans = 2000000000;
		for(int i = 0; i < N; i++) {
			if(t[i] <= T) {
				if(c[i] < ans) {
					ans = c[i];
				}
			}
		}
		if(ans == 2000000000) {
			System.out.println("TLE");
		}else{
			System.out.println(ans);
		}
	}

}
