import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 *
 * @author silviase
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        BTimeLimitExceeded solver = new BTimeLimitExceeded();
        solver.solve(1, in, out);
        out.close();
    }

    static class BTimeLimitExceeded {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int n = in.nextInt();
            int tl = in.nextInt();
            int mincost = 10000;
            for (int i = 0; i < n; i++) {
                int c = in.nextInt();
                int t = in.nextInt();
                if (tl >= t) {
                    mincost = Math.min(mincost, c);
                }
            }
            if (mincost > 1000) {
                out.println("TLE");
            } else {
                out.println(mincost);
            }
        }

    }
}
 import java.io.OutputStream; OutputStream java.io import java.io.IOException; IOException java.io import java.io.InputStream; InputStream java.io import java.io.PrintWriter; PrintWriter java.io import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        BTimeLimitExceeded solver = new BTimeLimitExceeded();
        solver.solve(1, in, out);
        out.close();
    }

    static class BTimeLimitExceeded {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int n = in.nextInt();
            int tl = in.nextInt();
            int mincost = 10000;
            for (int i = 0; i < n; i++) {
                int c = in.nextInt();
                int t = in.nextInt();
                if (tl >= t) {
                    mincost = Math.min(mincost, c);
                }
            }
            if (mincost > 1000) {
                out.println("TLE");
            } else {
                out.println(mincost);
            }
        }

    }
} Main public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        BTimeLimitExceeded solver = new BTimeLimitExceeded();
        solver.solve(1, in, out);
        out.close();
    } main {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        BTimeLimitExceeded solver = new BTimeLimitExceeded();
        solver.solve(1, in, out);
        out.close();
    } InputStream inputStream = System.in; inputStream System.in System System.in OutputStream outputStream = System.out; outputStream System.out System System.out Scanner in = new Scanner(inputStream); in new Scanner(inputStream) PrintWriter out = new PrintWriter(outputStream); out new PrintWriter(outputStream) BTimeLimitExceeded solver = new BTimeLimitExceeded(); solver new BTimeLimitExceeded() solver.solve(1, in, out) solver.solve solver 1 in out out.close() out.close out String[] args args static class BTimeLimitExceeded {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int n = in.nextInt();
            int tl = in.nextInt();
            int mincost = 10000;
            for (int i = 0; i < n; i++) {
                int c = in.nextInt();
                int t = in.nextInt();
                if (tl >= t) {
                    mincost = Math.min(mincost, c);
                }
            }
            if (mincost > 1000) {
                out.println("TLE");
            } else {
                out.println(mincost);
            }
        }

    } BTimeLimitExceeded public void solve(int testNumber, Scanner in, PrintWriter out) {
            int n = in.nextInt();
            int tl = in.nextInt();
            int mincost = 10000;
            for (int i = 0; i < n; i++) {
                int c = in.nextInt();
                int t = in.nextInt();
                if (tl >= t) {
                    mincost = Math.min(mincost, c);
                }
            }
            if (mincost > 1000) {
                out.println("TLE");
            } else {
                out.println(mincost);
            }
        } solve {
            int n = in.nextInt();
            int tl = in.nextInt();
            int mincost = 10000;
            for (int i = 0; i < n; i++) {
                int c = in.nextInt();
                int t = in.nextInt();
                if (tl >= t) {
                    mincost = Math.min(mincost, c);
                }
            }
            if (mincost > 1000) {
                out.println("TLE");
            } else {
                out.println(mincost);
            }
        } int n = in.nextInt(); n in.nextInt() in.nextInt in int tl = in.nextInt(); tl in.nextInt() in.nextInt in int mincost = 10000; mincost 10000 for (int i = 0; i < n; i++) {
                int c = in.nextInt();
                int t = in.nextInt();
                if (tl >= t) {
                    mincost = Math.min(mincost, c);
                }
            } int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
                int c = in.nextInt();
                int t = in.nextInt();
                if (tl >= t) {
                    mincost = Math.min(mincost, c);
                }
            } {
                int c = in.nextInt();
                int t = in.nextInt();
                if (tl >= t) {
                    mincost = Math.min(mincost, c);
                }
            } int c = in.nextInt(); c in.nextInt() in.nextInt in int t = in.nextInt(); t in.nextInt() in.nextInt in if (tl >= t) {
                    mincost = Math.min(mincost, c);
                } tl >= t tl t {
                    mincost = Math.min(mincost, c);
                } mincost = Math.min(mincost, c) mincost Math.min(mincost, c) Math.min Math mincost c if (mincost > 1000) {
                out.println("TLE");
            } else {
                out.println(mincost);
            } mincost > 1000 mincost 1000 {
                out.println("TLE");
            } out.println("TLE") out.println out "TLE" {
                out.println(mincost);
            } out.println(mincost) out.println out mincost int testNumber testNumber Scanner in in PrintWriter out out public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        BTimeLimitExceeded solver = new BTimeLimitExceeded();
        solver.solve(1, in, out);
        out.close();
    }

    static class BTimeLimitExceeded {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int n = in.nextInt();
            int tl = in.nextInt();
            int mincost = 10000;
            for (int i = 0; i < n; i++) {
                int c = in.nextInt();
                int t = in.nextInt();
                if (tl >= t) {
                    mincost = Math.min(mincost, c);
                }
            }
            if (mincost > 1000) {
                out.println("TLE");
            } else {
                out.println(mincost);
            }
        }

    }
} public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        BTimeLimitExceeded solver = new BTimeLimitExceeded();
        solver.solve(1, in, out);
        out.close();
    }

    static class BTimeLimitExceeded {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int n = in.nextInt();
            int tl = in.nextInt();
            int mincost = 10000;
            for (int i = 0; i < n; i++) {
                int c = in.nextInt();
                int t = in.nextInt();
                if (tl >= t) {
                    mincost = Math.min(mincost, c);
                }
            }
            if (mincost > 1000) {
                out.println("TLE");
            } else {
                out.println(mincost);
            }
        }

    }
} Main
import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 *
 * @author silviase
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        BTimeLimitExceeded solver = new BTimeLimitExceeded();
        solver.solve(1, in, out);
        out.close();
    }

    static class BTimeLimitExceeded {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int n = in.nextInt();
            int tl = in.nextInt();
            int mincost = 10000;
            for (int i = 0; i < n; i++) {
                int c = in.nextInt();
                int t = in.nextInt();
                if (tl >= t) {
                    mincost = Math.min(mincost, c);
                }
            }
            if (mincost > 1000) {
                out.println("TLE");
            } else {
                out.println(mincost);
            }
        }

    }
}

