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];
		int min = 10000;
		for(int i=0; i<N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
			if(t[i]<=T) {
				if(c[i]<=min) {
					min = c[i];
				}
			}
		}
		sc.close();
		System.out.println(min==10000?"TLE":min);
	}

} 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];
		int min = 10000;
		for(int i=0; i<N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
			if(t[i]<=T) {
				if(c[i]<=min) {
					min = c[i];
				}
			}
		}
		sc.close();
		System.out.println(min==10000?"TLE":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 = 10000;
		for(int i=0; i<N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
			if(t[i]<=T) {
				if(c[i]<=min) {
					min = c[i];
				}
			}
		}
		sc.close();
		System.out.println(min==10000?"TLE":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 = 10000;
		for(int i=0; i<N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
			if(t[i]<=T) {
				if(c[i]<=min) {
					min = c[i];
				}
			}
		}
		sc.close();
		System.out.println(min==10000?"TLE":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 = 10000; min 10000 for(int i=0; i<N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
			if(t[i]<=T) {
				if(c[i]<=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) {
				if(c[i]<=min) {
					min = c[i];
				}
			}
		} {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
			if(t[i]<=T) {
				if(c[i]<=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) {
				if(c[i]<=min) {
					min = c[i];
				}
			} t[i]<=T t[i] t i T {
				if(c[i]<=min) {
					min = c[i];
				}
			} if(c[i]<=min) {
					min = c[i];
				} c[i]<=min c[i] c i min {
					min = c[i];
				} min = c[i] min c[i] c i sc.close() sc.close sc System.out.println(min==10000?"TLE":min) System.out.println System.out System System.out min==10000?"TLE":min min==10000 min 10000 "TLE" 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 = 10000;
		for(int i=0; i<N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
			if(t[i]<=T) {
				if(c[i]<=min) {
					min = c[i];
				}
			}
		}
		sc.close();
		System.out.println(min==10000?"TLE":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 = 10000;
		for(int i=0; i<N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
			if(t[i]<=T) {
				if(c[i]<=min) {
					min = c[i];
				}
			}
		}
		sc.close();
		System.out.println(min==10000?"TLE":min);
	}

} 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];
		int min = 10000;
		for(int i=0; i<N; i++) {
			c[i] = sc.nextInt();
			t[i] = sc.nextInt();
			if(t[i]<=T) {
				if(c[i]<=min) {
					min = c[i];
				}
			}
		}
		sc.close();
		System.out.println(min==10000?"TLE":min);
	}

}