import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.NoSuchElementException;

public class Main {

	static int n;
	static int k;
	static final int mod = 1000000007;
	static long ans = 0;

	public static void main(String[] args) {
		FastScanner scan = new FastScanner();
		PrintWriter out = new PrintWriter(System.out);
		int n = scan.nextInt();
		int T = scan.nextInt();
		int i,c,t;
		int min = Integer.MAX_VALUE;
		for(i = 0; i < n; i++) {
			c = scan.nextInt();
			t = scan.nextInt();
			if(t <= T)
				min = Math.min(min, c);
		}
		if(min == Integer.MAX_VALUE)
			out.print("TLE");
		else
			out.print(min);
		out.flush();
	}
}
class res{
	String name = "";
	int point = 0;
	int n = 0;

	res(String name, int point, int n){
		this.name = name;
		this.point = point;
		this.n = n;
	}
}

class cal {
	long mod;

	cal(long x) {
		this.mod = x;
	}

	long mpow(long x, long n) {
		if (n == 0)
			return 1;
		if (n % 2 == 0) {
			long root = mpow(x, n / 2);
			return root * root % mod;
		} else {
			return x * mpow(x, n - 1) % mod;
		}
	}

	long mcomb(long a, long b) {
		if (b > a - b)
			return mcomb(a, a - b);
		long m = 1;
		long d = 1;
		long i;
		for (i = 0; i < b; i++) {
			m *= (a - i);
			m %= mod;
			d *= (i + 1);
			d %= mod;
		}
		long ans = m * mpow(d, mod - 2) % mod;

		return ans;
	}
}

class unionFind {
	int[] par;
	int[] size;

	unionFind(int x) {
		this.par = new int[x + 1];
		this.size = new int[x + 1];

		int i;
		for (i = 0; i <= x; i++)
			this.par[i] = i;
		Arrays.fill(this.size, 1);
	}

	int root(int x) {
		int r = x;
		while (r != this.par[r]) {
			r = this.par[r];
		}

		return r;
	}

	void union(int x, int y) {
		int rx = root(x);
		int ry = root(y);
		if (rx == ry)
			return;

		if (this.size[rx] < this.size[ry]) {
			this.size[ry] += this.size[rx];
			this.par[rx] = ry;
		} else {
			this.size[rx] += this.size[ry];
			this.par[ry] = rx;
		}
	}

	int size(int x) {
		return this.size[root(x)];
	}

	boolean same(int x, int y) {
		int rx = root(x);
		int ry = root(y);

		return rx == ry;
	}
}

class FastScanner {
	private final InputStream in = System.in;
	private final byte[] buffer = new byte[1024];
	private int ptr = 0;
	private int buflen = 0;

	private boolean hasNextByte() {
		if (ptr < buflen) {
			return true;
		} else {
			ptr = 0;
			try {
				buflen = in.read(buffer);
			} catch (IOException e) {
				e.printStackTrace();
			}
			if (buflen <= 0) {
				return false;
			}
		}
		return true;
	}

	private int readByte() {
		if (hasNextByte())
			return buffer[ptr++];
		else
			return -1;
	}

	private static boolean isPrintableChar(int c) {
		return 33 <= c && c <= 126;
	}

	public boolean hasNext() {
		while (hasNextByte() && !isPrintableChar(buffer[ptr]))
			ptr++;
		return hasNextByte();
	}

	public String next() {
		if (!hasNext())
			throw new NoSuchElementException();
		StringBuilder sb = new StringBuilder();
		int b = readByte();
		while (isPrintableChar(b)) {
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}

	public long nextLong() {
		if (!hasNext())
			throw new NoSuchElementException();
		long n = 0;
		boolean minus = false;
		int b = readByte();
		if (b == '-') {
			minus = true;
			b = readByte();
		}
		if (b < '0' || '9' < b) {
			throw new NumberFormatException();
		}
		while (true) {
			if ('0' <= b && b <= '9') {
				n *= 10;
				n += b - '0';
			} else if (b == -1 || !isPrintableChar(b)) {
				return minus ? -n : n;
			} else {
				throw new NumberFormatException();
			}
			b = readByte();
		}
	}

	public int nextInt() {
		long nl = nextLong();
		if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
			throw new NumberFormatException();
		return (int) nl;
	}

	public double nextDouble() {
		return Double.parseDouble(next());
	}
} import java.io.IOException; IOException java.io import java.io.InputStream; InputStream java.io import java.io.PrintWriter; PrintWriter java.io import java.util.Arrays; Arrays java.util import java.util.NoSuchElementException; NoSuchElementException java.util public class Main {

	static int n;
	static int k;
	static final int mod = 1000000007;
	static long ans = 0;

	public static void main(String[] args) {
		FastScanner scan = new FastScanner();
		PrintWriter out = new PrintWriter(System.out);
		int n = scan.nextInt();
		int T = scan.nextInt();
		int i,c,t;
		int min = Integer.MAX_VALUE;
		for(i = 0; i < n; i++) {
			c = scan.nextInt();
			t = scan.nextInt();
			if(t <= T)
				min = Math.min(min, c);
		}
		if(min == Integer.MAX_VALUE)
			out.print("TLE");
		else
			out.print(min);
		out.flush();
	}
} Main static int n; n static int k; k static final int mod = 1000000007; mod 1000000007 static long ans = 0; ans 0 public static void main(String[] args) {
		FastScanner scan = new FastScanner();
		PrintWriter out = new PrintWriter(System.out);
		int n = scan.nextInt();
		int T = scan.nextInt();
		int i,c,t;
		int min = Integer.MAX_VALUE;
		for(i = 0; i < n; i++) {
			c = scan.nextInt();
			t = scan.nextInt();
			if(t <= T)
				min = Math.min(min, c);
		}
		if(min == Integer.MAX_VALUE)
			out.print("TLE");
		else
			out.print(min);
		out.flush();
	} main {
		FastScanner scan = new FastScanner();
		PrintWriter out = new PrintWriter(System.out);
		int n = scan.nextInt();
		int T = scan.nextInt();
		int i,c,t;
		int min = Integer.MAX_VALUE;
		for(i = 0; i < n; i++) {
			c = scan.nextInt();
			t = scan.nextInt();
			if(t <= T)
				min = Math.min(min, c);
		}
		if(min == Integer.MAX_VALUE)
			out.print("TLE");
		else
			out.print(min);
		out.flush();
	} FastScanner scan = new FastScanner(); scan new FastScanner() PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) int n = scan.nextInt(); n scan.nextInt() scan.nextInt scan int T = scan.nextInt(); T scan.nextInt() scan.nextInt scan int i i c c t; t int min = Integer.MAX_VALUE; min Integer.MAX_VALUE Integer Integer.MAX_VALUE for(i = 0; i < n; i++) {
			c = scan.nextInt();
			t = scan.nextInt();
			if(t <= T)
				min = Math.min(min, c);
		} i = 0; i = 0 i 0 i < n i n i++ i++ i {
			c = scan.nextInt();
			t = scan.nextInt();
			if(t <= T)
				min = Math.min(min, c);
		} {
			c = scan.nextInt();
			t = scan.nextInt();
			if(t <= T)
				min = Math.min(min, c);
		} c = scan.nextInt() c scan.nextInt() scan.nextInt scan t = scan.nextInt() t scan.nextInt() scan.nextInt scan if(t <= T)
				min = Math.min(min, c); t <= T t T min = Math.min(min, c) min Math.min(min, c) Math.min Math min c if(min == Integer.MAX_VALUE)
			out.print("TLE");
		else
			out.print(min); min == Integer.MAX_VALUE min Integer.MAX_VALUE Integer Integer.MAX_VALUE out.print("TLE") out.print out "TLE" out.print(min) out.print out min out.flush() out.flush out String[] args args class res{
	String name = "";
	int point = 0;
	int n = 0;

	res(String name, int point, int n){
		this.name = name;
		this.point = point;
		this.n = n;
	}
} res String name = ""; name "" int point = 0; point 0 int n = 0; n 0 res(String name, int point, int n){
		this.name = name;
		this.point = point;
		this.n = n;
	} res {
		this.name = name;
		this.point = point;
		this.n = n;
	} this.name = name this.name this this.name name this.point = point this.point this this.point point this.n = n this.n this this.n n String name name int point point int n n class cal {
	long mod;

	cal(long x) {
		this.mod = x;
	}

	long mpow(long x, long n) {
		if (n == 0)
			return 1;
		if (n % 2 == 0) {
			long root = mpow(x, n / 2);
			return root * root % mod;
		} else {
			return x * mpow(x, n - 1) % mod;
		}
	}

	long mcomb(long a, long b) {
		if (b > a - b)
			return mcomb(a, a - b);
		long m = 1;
		long d = 1;
		long i;
		for (i = 0; i < b; i++) {
			m *= (a - i);
			m %= mod;
			d *= (i + 1);
			d %= mod;
		}
		long ans = m * mpow(d, mod - 2) % mod;

		return ans;
	}
} cal long mod; mod cal(long x) {
		this.mod = x;
	} cal {
		this.mod = x;
	} this.mod = x this.mod this this.mod x long x x long mpow(long x, long n) {
		if (n == 0)
			return 1;
		if (n % 2 == 0) {
			long root = mpow(x, n / 2);
			return root * root % mod;
		} else {
			return x * mpow(x, n - 1) % mod;
		}
	} mpow {
		if (n == 0)
			return 1;
		if (n % 2 == 0) {
			long root = mpow(x, n / 2);
			return root * root % mod;
		} else {
			return x * mpow(x, n - 1) % mod;
		}
	} if (n == 0)
			return 1; n == 0 n 0 return 1; 1 if (n % 2 == 0) {
			long root = mpow(x, n / 2);
			return root * root % mod;
		} else {
			return x * mpow(x, n - 1) % mod;
		} n % 2 == 0 n % 2 n 2 0 {
			long root = mpow(x, n / 2);
			return root * root % mod;
		} long root = mpow(x, n / 2); root mpow(x, n / 2) mpow x n / 2 n 2 return root * root % mod; root * root % mod root * root root root mod {
			return x * mpow(x, n - 1) % mod;
		} return x * mpow(x, n - 1) % mod; x * mpow(x, n - 1) % mod x * mpow(x, n - 1) x mpow(x, n - 1) mpow x n - 1 n 1 mod long x x long n n long mcomb(long a, long b) {
		if (b > a - b)
			return mcomb(a, a - b);
		long m = 1;
		long d = 1;
		long i;
		for (i = 0; i < b; i++) {
			m *= (a - i);
			m %= mod;
			d *= (i + 1);
			d %= mod;
		}
		long ans = m * mpow(d, mod - 2) % mod;

		return ans;
	} mcomb {
		if (b > a - b)
			return mcomb(a, a - b);
		long m = 1;
		long d = 1;
		long i;
		for (i = 0; i < b; i++) {
			m *= (a - i);
			m %= mod;
			d *= (i + 1);
			d %= mod;
		}
		long ans = m * mpow(d, mod - 2) % mod;

		return ans;
	} if (b > a - b)
			return mcomb(a, a - b); b > a - b b a - b a b return mcomb(a, a - b); mcomb(a, a - b) mcomb a a - b a b long m = 1; m 1 long d = 1; d 1 long i; i for (i = 0; i < b; i++) {
			m *= (a - i);
			m %= mod;
			d *= (i + 1);
			d %= mod;
		} i = 0; i = 0 i 0 i < b i b i++ i++ i {
			m *= (a - i);
			m %= mod;
			d *= (i + 1);
			d %= mod;
		} {
			m *= (a - i);
			m %= mod;
			d *= (i + 1);
			d %= mod;
		} m *= (a - i) m (a - i) a i m %= mod m mod d *= (i + 1) d (i + 1) i 1 d %= mod d mod long ans = m * mpow(d, mod - 2) % mod; ans m * mpow(d, mod - 2) % mod m * mpow(d, mod - 2) m mpow(d, mod - 2) mpow d mod - 2 mod 2 mod return ans; ans long a a long b b class unionFind {
	int[] par;
	int[] size;

	unionFind(int x) {
		this.par = new int[x + 1];
		this.size = new int[x + 1];

		int i;
		for (i = 0; i <= x; i++)
			this.par[i] = i;
		Arrays.fill(this.size, 1);
	}

	int root(int x) {
		int r = x;
		while (r != this.par[r]) {
			r = this.par[r];
		}

		return r;
	}

	void union(int x, int y) {
		int rx = root(x);
		int ry = root(y);
		if (rx == ry)
			return;

		if (this.size[rx] < this.size[ry]) {
			this.size[ry] += this.size[rx];
			this.par[rx] = ry;
		} else {
			this.size[rx] += this.size[ry];
			this.par[ry] = rx;
		}
	}

	int size(int x) {
		return this.size[root(x)];
	}

	boolean same(int x, int y) {
		int rx = root(x);
		int ry = root(y);

		return rx == ry;
	}
} unionFind int[] par; par int[] size; size unionFind(int x) {
		this.par = new int[x + 1];
		this.size = new int[x + 1];

		int i;
		for (i = 0; i <= x; i++)
			this.par[i] = i;
		Arrays.fill(this.size, 1);
	} unionFind {
		this.par = new int[x + 1];
		this.size = new int[x + 1];

		int i;
		for (i = 0; i <= x; i++)
			this.par[i] = i;
		Arrays.fill(this.size, 1);
	} this.par = new int[x + 1] this.par this this.par new int[x + 1] x + 1 x 1 this.size = new int[x + 1] this.size this this.size new int[x + 1] x + 1 x 1 int i; i for (i = 0; i <= x; i++)
			this.par[i] = i; i = 0; i = 0 i 0 i <= x i x i++ i++ i this.par[i] = i; this.par[i] = i this.par[i] this.par this this.par i i Arrays.fill(this.size, 1) Arrays.fill Arrays this.size this this.size 1 int x x int root(int x) {
		int r = x;
		while (r != this.par[r]) {
			r = this.par[r];
		}

		return r;
	} root {
		int r = x;
		while (r != this.par[r]) {
			r = this.par[r];
		}

		return r;
	} int r = x; r x while (r != this.par[r]) {
			r = this.par[r];
		} r != this.par[r] r this.par[r] this.par this this.par r {
			r = this.par[r];
		} r = this.par[r] r this.par[r] this.par this this.par r return r; r int x x void union(int x, int y) {
		int rx = root(x);
		int ry = root(y);
		if (rx == ry)
			return;

		if (this.size[rx] < this.size[ry]) {
			this.size[ry] += this.size[rx];
			this.par[rx] = ry;
		} else {
			this.size[rx] += this.size[ry];
			this.par[ry] = rx;
		}
	} union {
		int rx = root(x);
		int ry = root(y);
		if (rx == ry)
			return;

		if (this.size[rx] < this.size[ry]) {
			this.size[ry] += this.size[rx];
			this.par[rx] = ry;
		} else {
			this.size[rx] += this.size[ry];
			this.par[ry] = rx;
		}
	} int rx = root(x); rx root(x) root x int ry = root(y); ry root(y) root y if (rx == ry)
			return; rx == ry rx ry return; if (this.size[rx] < this.size[ry]) {
			this.size[ry] += this.size[rx];
			this.par[rx] = ry;
		} else {
			this.size[rx] += this.size[ry];
			this.par[ry] = rx;
		} this.size[rx] < this.size[ry] this.size[rx] this.size this this.size rx this.size[ry] this.size this this.size ry {
			this.size[ry] += this.size[rx];
			this.par[rx] = ry;
		} this.size[ry] += this.size[rx] this.size[ry] this.size this this.size ry this.size[rx] this.size this this.size rx this.par[rx] = ry this.par[rx] this.par this this.par rx ry {
			this.size[rx] += this.size[ry];
			this.par[ry] = rx;
		} this.size[rx] += this.size[ry] this.size[rx] this.size this this.size rx this.size[ry] this.size this this.size ry this.par[ry] = rx this.par[ry] this.par this this.par ry rx int x x int y y int size(int x) {
		return this.size[root(x)];
	} size {
		return this.size[root(x)];
	} return this.size[root(x)]; this.size[root(x)] this.size this this.size root(x) root x int x x boolean same(int x, int y) {
		int rx = root(x);
		int ry = root(y);

		return rx == ry;
	} same {
		int rx = root(x);
		int ry = root(y);

		return rx == ry;
	} int rx = root(x); rx root(x) root x int ry = root(y); ry root(y) root y return rx == ry; rx == ry rx ry int x x int y y class FastScanner {
	private final InputStream in = System.in;
	private final byte[] buffer = new byte[1024];
	private int ptr = 0;
	private int buflen = 0;

	private boolean hasNextByte() {
		if (ptr < buflen) {
			return true;
		} else {
			ptr = 0;
			try {
				buflen = in.read(buffer);
			} catch (IOException e) {
				e.printStackTrace();
			}
			if (buflen <= 0) {
				return false;
			}
		}
		return true;
	}

	private int readByte() {
		if (hasNextByte())
			return buffer[ptr++];
		else
			return -1;
	}

	private static boolean isPrintableChar(int c) {
		return 33 <= c && c <= 126;
	}

	public boolean hasNext() {
		while (hasNextByte() && !isPrintableChar(buffer[ptr]))
			ptr++;
		return hasNextByte();
	}

	public String next() {
		if (!hasNext())
			throw new NoSuchElementException();
		StringBuilder sb = new StringBuilder();
		int b = readByte();
		while (isPrintableChar(b)) {
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}

	public long nextLong() {
		if (!hasNext())
			throw new NoSuchElementException();
		long n = 0;
		boolean minus = false;
		int b = readByte();
		if (b == '-') {
			minus = true;
			b = readByte();
		}
		if (b < '0' || '9' < b) {
			throw new NumberFormatException();
		}
		while (true) {
			if ('0' <= b && b <= '9') {
				n *= 10;
				n += b - '0';
			} else if (b == -1 || !isPrintableChar(b)) {
				return minus ? -n : n;
			} else {
				throw new NumberFormatException();
			}
			b = readByte();
		}
	}

	public int nextInt() {
		long nl = nextLong();
		if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
			throw new NumberFormatException();
		return (int) nl;
	}

	public double nextDouble() {
		return Double.parseDouble(next());
	}
} FastScanner private final InputStream in = System.in; in System.in System System.in private final byte[] buffer = new byte[1024]; buffer new byte[1024] 1024 private int ptr = 0; ptr 0 private int buflen = 0; buflen 0 private boolean hasNextByte() {
		if (ptr < buflen) {
			return true;
		} else {
			ptr = 0;
			try {
				buflen = in.read(buffer);
			} catch (IOException e) {
				e.printStackTrace();
			}
			if (buflen <= 0) {
				return false;
			}
		}
		return true;
	} hasNextByte {
		if (ptr < buflen) {
			return true;
		} else {
			ptr = 0;
			try {
				buflen = in.read(buffer);
			} catch (IOException e) {
				e.printStackTrace();
			}
			if (buflen <= 0) {
				return false;
			}
		}
		return true;
	} if (ptr < buflen) {
			return true;
		} else {
			ptr = 0;
			try {
				buflen = in.read(buffer);
			} catch (IOException e) {
				e.printStackTrace();
			}
			if (buflen <= 0) {
				return false;
			}
		} ptr < buflen ptr buflen {
			return true;
		} return true; true {
			ptr = 0;
			try {
				buflen = in.read(buffer);
			} catch (IOException e) {
				e.printStackTrace();
			}
			if (buflen <= 0) {
				return false;
			}
		} ptr = 0 ptr 0 try {
				buflen = in.read(buffer);
			} catch (IOException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			} IOException e {
				e.printStackTrace();
			} e.printStackTrace() e.printStackTrace e {
				buflen = in.read(buffer);
			} buflen = in.read(buffer) buflen in.read(buffer) in.read in buffer if (buflen <= 0) {
				return false;
			} buflen <= 0 buflen 0 {
				return false;
			} return false; false return true; true private int readByte() {
		if (hasNextByte())
			return buffer[ptr++];
		else
			return -1;
	} readByte {
		if (hasNextByte())
			return buffer[ptr++];
		else
			return -1;
	} if (hasNextByte())
			return buffer[ptr++];
		else
			return -1; hasNextByte() hasNextByte return buffer[ptr++]; buffer[ptr++] buffer ptr++ ptr return -1; -1 1 private static boolean isPrintableChar(int c) {
		return 33 <= c && c <= 126;
	} isPrintableChar {
		return 33 <= c && c <= 126;
	} return 33 <= c && c <= 126; 33 <= c && c <= 126 33 <= c 33 c c <= 126 c 126 int c c public boolean hasNext() {
		while (hasNextByte() && !isPrintableChar(buffer[ptr]))
			ptr++;
		return hasNextByte();
	} hasNext {
		while (hasNextByte() && !isPrintableChar(buffer[ptr]))
			ptr++;
		return hasNextByte();
	} while (hasNextByte() && !isPrintableChar(buffer[ptr]))
			ptr++; hasNextByte() && !isPrintableChar(buffer[ptr]) hasNextByte() hasNextByte !isPrintableChar(buffer[ptr]) isPrintableChar(buffer[ptr]) isPrintableChar buffer[ptr] buffer ptr ptr++ ptr return hasNextByte(); hasNextByte() hasNextByte public String next() {
		if (!hasNext())
			throw new NoSuchElementException();
		StringBuilder sb = new StringBuilder();
		int b = readByte();
		while (isPrintableChar(b)) {
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	} next {
		if (!hasNext())
			throw new NoSuchElementException();
		StringBuilder sb = new StringBuilder();
		int b = readByte();
		while (isPrintableChar(b)) {
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	} if (!hasNext())
			throw new NoSuchElementException(); !hasNext() hasNext() hasNext throw new NoSuchElementException(); new NoSuchElementException() StringBuilder sb = new StringBuilder(); sb new StringBuilder() int b = readByte(); b readByte() readByte while (isPrintableChar(b)) {
			sb.appendCodePoint(b);
			b = readByte();
		} isPrintableChar(b) isPrintableChar b {
			sb.appendCodePoint(b);
			b = readByte();
		} sb.appendCodePoint(b) sb.appendCodePoint sb b b = readByte() b readByte() readByte return sb.toString(); sb.toString() sb.toString sb public long nextLong() {
		if (!hasNext())
			throw new NoSuchElementException();
		long n = 0;
		boolean minus = false;
		int b = readByte();
		if (b == '-') {
			minus = true;
			b = readByte();
		}
		if (b < '0' || '9' < b) {
			throw new NumberFormatException();
		}
		while (true) {
			if ('0' <= b && b <= '9') {
				n *= 10;
				n += b - '0';
			} else if (b == -1 || !isPrintableChar(b)) {
				return minus ? -n : n;
			} else {
				throw new NumberFormatException();
			}
			b = readByte();
		}
	} nextLong {
		if (!hasNext())
			throw new NoSuchElementException();
		long n = 0;
		boolean minus = false;
		int b = readByte();
		if (b == '-') {
			minus = true;
			b = readByte();
		}
		if (b < '0' || '9' < b) {
			throw new NumberFormatException();
		}
		while (true) {
			if ('0' <= b && b <= '9') {
				n *= 10;
				n += b - '0';
			} else if (b == -1 || !isPrintableChar(b)) {
				return minus ? -n : n;
			} else {
				throw new NumberFormatException();
			}
			b = readByte();
		}
	} if (!hasNext())
			throw new NoSuchElementException(); !hasNext() hasNext() hasNext throw new NoSuchElementException(); new NoSuchElementException() long n = 0; n 0 boolean minus = false; minus false int b = readByte(); b readByte() readByte if (b == '-') {
			minus = true;
			b = readByte();
		} b == '-' b '-' {
			minus = true;
			b = readByte();
		} minus = true minus true b = readByte() b readByte() readByte if (b < '0' || '9' < b) {
			throw new NumberFormatException();
		} b < '0' || '9' < b b < '0' b '0' '9' < b '9' b {
			throw new NumberFormatException();
		} throw new NumberFormatException(); new NumberFormatException() while (true) {
			if ('0' <= b && b <= '9') {
				n *= 10;
				n += b - '0';
			} else if (b == -1 || !isPrintableChar(b)) {
				return minus ? -n : n;
			} else {
				throw new NumberFormatException();
			}
			b = readByte();
		} true {
			if ('0' <= b && b <= '9') {
				n *= 10;
				n += b - '0';
			} else if (b == -1 || !isPrintableChar(b)) {
				return minus ? -n : n;
			} else {
				throw new NumberFormatException();
			}
			b = readByte();
		} if ('0' <= b && b <= '9') {
				n *= 10;
				n += b - '0';
			} else if (b == -1 || !isPrintableChar(b)) {
				return minus ? -n : n;
			} else {
				throw new NumberFormatException();
			} '0' <= b && b <= '9' '0' <= b '0' b b <= '9' b '9' {
				n *= 10;
				n += b - '0';
			} n *= 10 n 10 n += b - '0' n b - '0' b '0' if (b == -1 || !isPrintableChar(b)) {
				return minus ? -n : n;
			} else {
				throw new NumberFormatException();
			} b == -1 || !isPrintableChar(b) b == -1 b -1 1 !isPrintableChar(b) isPrintableChar(b) isPrintableChar b {
				return minus ? -n : n;
			} return minus ? -n : n; minus ? -n : n minus -n n n {
				throw new NumberFormatException();
			} throw new NumberFormatException(); new NumberFormatException() b = readByte() b readByte() readByte public int nextInt() {
		long nl = nextLong();
		if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
			throw new NumberFormatException();
		return (int) nl;
	} nextInt {
		long nl = nextLong();
		if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
			throw new NumberFormatException();
		return (int) nl;
	} long nl = nextLong(); nl nextLong() nextLong if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
			throw new NumberFormatException(); nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE nl < Integer.MIN_VALUE nl Integer.MIN_VALUE Integer Integer.MIN_VALUE nl > Integer.MAX_VALUE nl Integer.MAX_VALUE Integer Integer.MAX_VALUE throw new NumberFormatException(); new NumberFormatException() return (int) nl; (int) nl public double nextDouble() {
		return Double.parseDouble(next());
	} nextDouble {
		return Double.parseDouble(next());
	} return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next public class Main {

	static int n;
	static int k;
	static final int mod = 1000000007;
	static long ans = 0;

	public static void main(String[] args) {
		FastScanner scan = new FastScanner();
		PrintWriter out = new PrintWriter(System.out);
		int n = scan.nextInt();
		int T = scan.nextInt();
		int i,c,t;
		int min = Integer.MAX_VALUE;
		for(i = 0; i < n; i++) {
			c = scan.nextInt();
			t = scan.nextInt();
			if(t <= T)
				min = Math.min(min, c);
		}
		if(min == Integer.MAX_VALUE)
			out.print("TLE");
		else
			out.print(min);
		out.flush();
	}
} public class Main {

	static int n;
	static int k;
	static final int mod = 1000000007;
	static long ans = 0;

	public static void main(String[] args) {
		FastScanner scan = new FastScanner();
		PrintWriter out = new PrintWriter(System.out);
		int n = scan.nextInt();
		int T = scan.nextInt();
		int i,c,t;
		int min = Integer.MAX_VALUE;
		for(i = 0; i < n; i++) {
			c = scan.nextInt();
			t = scan.nextInt();
			if(t <= T)
				min = Math.min(min, c);
		}
		if(min == Integer.MAX_VALUE)
			out.print("TLE");
		else
			out.print(min);
		out.flush();
	}
} Main
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.NoSuchElementException;

public class Main {

	static int n;
	static int k;
	static final int mod = 1000000007;
	static long ans = 0;

	public static void main(String[] args) {
		FastScanner scan = new FastScanner();
		PrintWriter out = new PrintWriter(System.out);
		int n = scan.nextInt();
		int T = scan.nextInt();
		int i,c,t;
		int min = Integer.MAX_VALUE;
		for(i = 0; i < n; i++) {
			c = scan.nextInt();
			t = scan.nextInt();
			if(t <= T)
				min = Math.min(min, c);
		}
		if(min == Integer.MAX_VALUE)
			out.print("TLE");
		else
			out.print(min);
		out.flush();
	}
}
class res{
	String name = "";
	int point = 0;
	int n = 0;

	res(String name, int point, int n){
		this.name = name;
		this.point = point;
		this.n = n;
	}
}

class cal {
	long mod;

	cal(long x) {
		this.mod = x;
	}

	long mpow(long x, long n) {
		if (n == 0)
			return 1;
		if (n % 2 == 0) {
			long root = mpow(x, n / 2);
			return root * root % mod;
		} else {
			return x * mpow(x, n - 1) % mod;
		}
	}

	long mcomb(long a, long b) {
		if (b > a - b)
			return mcomb(a, a - b);
		long m = 1;
		long d = 1;
		long i;
		for (i = 0; i < b; i++) {
			m *= (a - i);
			m %= mod;
			d *= (i + 1);
			d %= mod;
		}
		long ans = m * mpow(d, mod - 2) % mod;

		return ans;
	}
}

class unionFind {
	int[] par;
	int[] size;

	unionFind(int x) {
		this.par = new int[x + 1];
		this.size = new int[x + 1];

		int i;
		for (i = 0; i <= x; i++)
			this.par[i] = i;
		Arrays.fill(this.size, 1);
	}

	int root(int x) {
		int r = x;
		while (r != this.par[r]) {
			r = this.par[r];
		}

		return r;
	}

	void union(int x, int y) {
		int rx = root(x);
		int ry = root(y);
		if (rx == ry)
			return;

		if (this.size[rx] < this.size[ry]) {
			this.size[ry] += this.size[rx];
			this.par[rx] = ry;
		} else {
			this.size[rx] += this.size[ry];
			this.par[ry] = rx;
		}
	}

	int size(int x) {
		return this.size[root(x)];
	}

	boolean same(int x, int y) {
		int rx = root(x);
		int ry = root(y);

		return rx == ry;
	}
}

class FastScanner {
	private final InputStream in = System.in;
	private final byte[] buffer = new byte[1024];
	private int ptr = 0;
	private int buflen = 0;

	private boolean hasNextByte() {
		if (ptr < buflen) {
			return true;
		} else {
			ptr = 0;
			try {
				buflen = in.read(buffer);
			} catch (IOException e) {
				e.printStackTrace();
			}
			if (buflen <= 0) {
				return false;
			}
		}
		return true;
	}

	private int readByte() {
		if (hasNextByte())
			return buffer[ptr++];
		else
			return -1;
	}

	private static boolean isPrintableChar(int c) {
		return 33 <= c && c <= 126;
	}

	public boolean hasNext() {
		while (hasNextByte() && !isPrintableChar(buffer[ptr]))
			ptr++;
		return hasNextByte();
	}

	public String next() {
		if (!hasNext())
			throw new NoSuchElementException();
		StringBuilder sb = new StringBuilder();
		int b = readByte();
		while (isPrintableChar(b)) {
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}

	public long nextLong() {
		if (!hasNext())
			throw new NoSuchElementException();
		long n = 0;
		boolean minus = false;
		int b = readByte();
		if (b == '-') {
			minus = true;
			b = readByte();
		}
		if (b < '0' || '9' < b) {
			throw new NumberFormatException();
		}
		while (true) {
			if ('0' <= b && b <= '9') {
				n *= 10;
				n += b - '0';
			} else if (b == -1 || !isPrintableChar(b)) {
				return minus ? -n : n;
			} else {
				throw new NumberFormatException();
			}
			b = readByte();
		}
	}

	public int nextInt() {
		long nl = nextLong();
		if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
			throw new NumberFormatException();
		return (int) nl;
	}

	public double nextDouble() {
		return Double.parseDouble(next());
	}
}
