import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import java.util.StringTokenizer;

public class Main {
	public static void main(String[] args) {
		FastReader sc = new FastReader();
		int n = sc.nextInt();
		int t = sc.nextInt();
		String res = "TLE";
		int minCost = Integer.MAX_VALUE;
		
		for (int i = 0; i < n; i++) {
			int c = sc.nextInt();
			int T = sc.nextInt();
			
			if (T <= t) {
				if (c < minCost) {
					minCost = c;
					res = "" + c;
				}
			}
		}
		System.out.println(res);
	}

	static class FastReader { 
      BufferedReader br; 
      StringTokenizer st; 
  
      public FastReader() { 
        br = new BufferedReader(new InputStreamReader(System.in)); 
      } 

      String next() { 
        while (st == null || !st.hasMoreElements()) { 
          try { 
            st = new StringTokenizer(br.readLine()); 
          } catch (IOException  e) { 
            e.printStackTrace(); 
          } 
       } 
       return st.nextToken(); 
      } 
  
      int nextInt() { 
        return Integer.parseInt(next()); 
      } 
 
      long nextLong() { 
        return Long.parseLong(next()); 
      } 
  
      double nextDouble() { 
        return Double.parseDouble(next()); 
      } 
  
      String nextLine() { 
        String str = ""; 
        try{ 
          str = br.readLine(); 
        } catch (IOException e) { 
          e.printStackTrace(); 
        } 
        return str; 
      } 
    } 
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.StringTokenizer; StringTokenizer java.util public class Main {
	public static void main(String[] args) {
		FastReader sc = new FastReader();
		int n = sc.nextInt();
		int t = sc.nextInt();
		String res = "TLE";
		int minCost = Integer.MAX_VALUE;
		
		for (int i = 0; i < n; i++) {
			int c = sc.nextInt();
			int T = sc.nextInt();
			
			if (T <= t) {
				if (c < minCost) {
					minCost = c;
					res = "" + c;
				}
			}
		}
		System.out.println(res);
	}

	static class FastReader { 
      BufferedReader br; 
      StringTokenizer st; 
  
      public FastReader() { 
        br = new BufferedReader(new InputStreamReader(System.in)); 
      } 

      String next() { 
        while (st == null || !st.hasMoreElements()) { 
          try { 
            st = new StringTokenizer(br.readLine()); 
          } catch (IOException  e) { 
            e.printStackTrace(); 
          } 
       } 
       return st.nextToken(); 
      } 
  
      int nextInt() { 
        return Integer.parseInt(next()); 
      } 
 
      long nextLong() { 
        return Long.parseLong(next()); 
      } 
  
      double nextDouble() { 
        return Double.parseDouble(next()); 
      } 
  
      String nextLine() { 
        String str = ""; 
        try{ 
          str = br.readLine(); 
        } catch (IOException e) { 
          e.printStackTrace(); 
        } 
        return str; 
      } 
    } 
} Main public static void main(String[] args) {
		FastReader sc = new FastReader();
		int n = sc.nextInt();
		int t = sc.nextInt();
		String res = "TLE";
		int minCost = Integer.MAX_VALUE;
		
		for (int i = 0; i < n; i++) {
			int c = sc.nextInt();
			int T = sc.nextInt();
			
			if (T <= t) {
				if (c < minCost) {
					minCost = c;
					res = "" + c;
				}
			}
		}
		System.out.println(res);
	} main {
		FastReader sc = new FastReader();
		int n = sc.nextInt();
		int t = sc.nextInt();
		String res = "TLE";
		int minCost = Integer.MAX_VALUE;
		
		for (int i = 0; i < n; i++) {
			int c = sc.nextInt();
			int T = sc.nextInt();
			
			if (T <= t) {
				if (c < minCost) {
					minCost = c;
					res = "" + c;
				}
			}
		}
		System.out.println(res);
	} FastReader sc = new FastReader(); sc new FastReader() int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int t = sc.nextInt(); t sc.nextInt() sc.nextInt sc String res = "TLE"; res "TLE" int minCost = Integer.MAX_VALUE; minCost Integer.MAX_VALUE Integer Integer.MAX_VALUE for (int i = 0; i < n; i++) {
			int c = sc.nextInt();
			int T = sc.nextInt();
			
			if (T <= t) {
				if (c < minCost) {
					minCost = c;
					res = "" + 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 (c < minCost) {
					minCost = c;
					res = "" + c;
				}
			}
		} {
			int c = sc.nextInt();
			int T = sc.nextInt();
			
			if (T <= t) {
				if (c < minCost) {
					minCost = c;
					res = "" + 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 (c < minCost) {
					minCost = c;
					res = "" + c;
				}
			} T <= t T t {
				if (c < minCost) {
					minCost = c;
					res = "" + c;
				}
			} if (c < minCost) {
					minCost = c;
					res = "" + c;
				} c < minCost c minCost {
					minCost = c;
					res = "" + c;
				} minCost = c minCost c res = "" + c res "" + c "" c System.out.println(res) System.out.println System.out System System.out res String[] args args static class FastReader { 
      BufferedReader br; 
      StringTokenizer st; 
  
      public FastReader() { 
        br = new BufferedReader(new InputStreamReader(System.in)); 
      } 

      String next() { 
        while (st == null || !st.hasMoreElements()) { 
          try { 
            st = new StringTokenizer(br.readLine()); 
          } catch (IOException  e) { 
            e.printStackTrace(); 
          } 
       } 
       return st.nextToken(); 
      } 
  
      int nextInt() { 
        return Integer.parseInt(next()); 
      } 
 
      long nextLong() { 
        return Long.parseLong(next()); 
      } 
  
      double nextDouble() { 
        return Double.parseDouble(next()); 
      } 
  
      String nextLine() { 
        String str = ""; 
        try{ 
          str = br.readLine(); 
        } catch (IOException e) { 
          e.printStackTrace(); 
        } 
        return str; 
      } 
    } FastReader BufferedReader br; br StringTokenizer st; st public FastReader() { 
        br = new BufferedReader(new InputStreamReader(System.in)); 
      } FastReader { 
        br = new BufferedReader(new InputStreamReader(System.in)); 
      } br = new BufferedReader(new InputStreamReader(System.in)) br new BufferedReader(new InputStreamReader(System.in)) String next() { 
        while (st == null || !st.hasMoreElements()) { 
          try { 
            st = new StringTokenizer(br.readLine()); 
          } catch (IOException  e) { 
            e.printStackTrace(); 
          } 
       } 
       return st.nextToken(); 
      } next { 
        while (st == null || !st.hasMoreElements()) { 
          try { 
            st = new StringTokenizer(br.readLine()); 
          } catch (IOException  e) { 
            e.printStackTrace(); 
          } 
       } 
       return st.nextToken(); 
      } while (st == null || !st.hasMoreElements()) { 
          try { 
            st = new StringTokenizer(br.readLine()); 
          } catch (IOException  e) { 
            e.printStackTrace(); 
          } 
       } st == null || !st.hasMoreElements() st == null st null !st.hasMoreElements() st.hasMoreElements() st.hasMoreElements st { 
          try { 
            st = new StringTokenizer(br.readLine()); 
          } catch (IOException  e) { 
            e.printStackTrace(); 
          } 
       } try { 
            st = new StringTokenizer(br.readLine()); 
          } catch (IOException  e) { 
            e.printStackTrace(); 
          } catch (IOException  e) { 
            e.printStackTrace(); 
          } IOException  e { 
            e.printStackTrace(); 
          } e.printStackTrace() e.printStackTrace e { 
            st = new StringTokenizer(br.readLine()); 
          } st = new StringTokenizer(br.readLine()) st new StringTokenizer(br.readLine()) return st.nextToken(); st.nextToken() st.nextToken st int nextInt() { 
        return Integer.parseInt(next()); 
      } nextInt { 
        return Integer.parseInt(next()); 
      } return Integer.parseInt(next()); Integer.parseInt(next()) Integer.parseInt Integer next() next long nextLong() { 
        return Long.parseLong(next()); 
      } nextLong { 
        return Long.parseLong(next()); 
      } return Long.parseLong(next()); Long.parseLong(next()) Long.parseLong Long next() next double nextDouble() { 
        return Double.parseDouble(next()); 
      } nextDouble { 
        return Double.parseDouble(next()); 
      } return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next String nextLine() { 
        String str = ""; 
        try{ 
          str = br.readLine(); 
        } catch (IOException e) { 
          e.printStackTrace(); 
        } 
        return str; 
      } nextLine { 
        String str = ""; 
        try{ 
          str = br.readLine(); 
        } catch (IOException e) { 
          e.printStackTrace(); 
        } 
        return str; 
      } String str = ""; str "" try{ 
          str = br.readLine(); 
        } catch (IOException e) { 
          e.printStackTrace(); 
        } catch (IOException e) { 
          e.printStackTrace(); 
        } IOException e { 
          e.printStackTrace(); 
        } e.printStackTrace() e.printStackTrace e { 
          str = br.readLine(); 
        } str = br.readLine() str br.readLine() br.readLine br return str; str public class Main {
	public static void main(String[] args) {
		FastReader sc = new FastReader();
		int n = sc.nextInt();
		int t = sc.nextInt();
		String res = "TLE";
		int minCost = Integer.MAX_VALUE;
		
		for (int i = 0; i < n; i++) {
			int c = sc.nextInt();
			int T = sc.nextInt();
			
			if (T <= t) {
				if (c < minCost) {
					minCost = c;
					res = "" + c;
				}
			}
		}
		System.out.println(res);
	}

	static class FastReader { 
      BufferedReader br; 
      StringTokenizer st; 
  
      public FastReader() { 
        br = new BufferedReader(new InputStreamReader(System.in)); 
      } 

      String next() { 
        while (st == null || !st.hasMoreElements()) { 
          try { 
            st = new StringTokenizer(br.readLine()); 
          } catch (IOException  e) { 
            e.printStackTrace(); 
          } 
       } 
       return st.nextToken(); 
      } 
  
      int nextInt() { 
        return Integer.parseInt(next()); 
      } 
 
      long nextLong() { 
        return Long.parseLong(next()); 
      } 
  
      double nextDouble() { 
        return Double.parseDouble(next()); 
      } 
  
      String nextLine() { 
        String str = ""; 
        try{ 
          str = br.readLine(); 
        } catch (IOException e) { 
          e.printStackTrace(); 
        } 
        return str; 
      } 
    } 
} public class Main {
	public static void main(String[] args) {
		FastReader sc = new FastReader();
		int n = sc.nextInt();
		int t = sc.nextInt();
		String res = "TLE";
		int minCost = Integer.MAX_VALUE;
		
		for (int i = 0; i < n; i++) {
			int c = sc.nextInt();
			int T = sc.nextInt();
			
			if (T <= t) {
				if (c < minCost) {
					minCost = c;
					res = "" + c;
				}
			}
		}
		System.out.println(res);
	}

	static class FastReader { 
      BufferedReader br; 
      StringTokenizer st; 
  
      public FastReader() { 
        br = new BufferedReader(new InputStreamReader(System.in)); 
      } 

      String next() { 
        while (st == null || !st.hasMoreElements()) { 
          try { 
            st = new StringTokenizer(br.readLine()); 
          } catch (IOException  e) { 
            e.printStackTrace(); 
          } 
       } 
       return st.nextToken(); 
      } 
  
      int nextInt() { 
        return Integer.parseInt(next()); 
      } 
 
      long nextLong() { 
        return Long.parseLong(next()); 
      } 
  
      double nextDouble() { 
        return Double.parseDouble(next()); 
      } 
  
      String nextLine() { 
        String str = ""; 
        try{ 
          str = br.readLine(); 
        } catch (IOException e) { 
          e.printStackTrace(); 
        } 
        return str; 
      } 
    } 
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import java.util.StringTokenizer;

public class Main {
	public static void main(String[] args) {
		FastReader sc = new FastReader();
		int n = sc.nextInt();
		int t = sc.nextInt();
		String res = "TLE";
		int minCost = Integer.MAX_VALUE;
		
		for (int i = 0; i < n; i++) {
			int c = sc.nextInt();
			int T = sc.nextInt();
			
			if (T <= t) {
				if (c < minCost) {
					minCost = c;
					res = "" + c;
				}
			}
		}
		System.out.println(res);
	}

	static class FastReader { 
      BufferedReader br; 
      StringTokenizer st; 
  
      public FastReader() { 
        br = new BufferedReader(new InputStreamReader(System.in)); 
      } 

      String next() { 
        while (st == null || !st.hasMoreElements()) { 
          try { 
            st = new StringTokenizer(br.readLine()); 
          } catch (IOException  e) { 
            e.printStackTrace(); 
          } 
       } 
       return st.nextToken(); 
      } 
  
      int nextInt() { 
        return Integer.parseInt(next()); 
      } 
 
      long nextLong() { 
        return Long.parseLong(next()); 
      } 
  
      double nextDouble() { 
        return Double.parseDouble(next()); 
      } 
  
      String nextLine() { 
        String str = ""; 
        try{ 
          str = br.readLine(); 
        } catch (IOException e) { 
          e.printStackTrace(); 
        } 
        return str; 
      } 
    } 
}
