class Main
{
	public static void main(String[] args) {
		java.io.BufferedReader reader = null;
		try {
			reader = new java.io.BufferedReader(
				new java.io.InputStreamReader(System.in)
				);
			String[] inputs = reader.readLine().split(" ");
			int a = Integer.parseInt(inputs[0]);
			int b = Integer.parseInt(inputs[1]);
			int c = Integer.parseInt(inputs[2]);
			if ((a < b) && (b < c)) {
				System.out.println("Yes");
			} else {
				System.out.println("No");
			}
		} catch (java.io.IOException e ) {
			e.printStackTrace();
		} finally {
			if (reader != null) {
				try {
					reader.close();
				} catch (java.io.IOException e) {
					e.printStackTrace();
				}
			}
		}
	}
} class Main
{
	public static void main(String[] args) {
		java.io.BufferedReader reader = null;
		try {
			reader = new java.io.BufferedReader(
				new java.io.InputStreamReader(System.in)
				);
			String[] inputs = reader.readLine().split(" ");
			int a = Integer.parseInt(inputs[0]);
			int b = Integer.parseInt(inputs[1]);
			int c = Integer.parseInt(inputs[2]);
			if ((a < b) && (b < c)) {
				System.out.println("Yes");
			} else {
				System.out.println("No");
			}
		} catch (java.io.IOException e ) {
			e.printStackTrace();
		} finally {
			if (reader != null) {
				try {
					reader.close();
				} catch (java.io.IOException e) {
					e.printStackTrace();
				}
			}
		}
	}
} Main public static void main(String[] args) {
		java.io.BufferedReader reader = null;
		try {
			reader = new java.io.BufferedReader(
				new java.io.InputStreamReader(System.in)
				);
			String[] inputs = reader.readLine().split(" ");
			int a = Integer.parseInt(inputs[0]);
			int b = Integer.parseInt(inputs[1]);
			int c = Integer.parseInt(inputs[2]);
			if ((a < b) && (b < c)) {
				System.out.println("Yes");
			} else {
				System.out.println("No");
			}
		} catch (java.io.IOException e ) {
			e.printStackTrace();
		} finally {
			if (reader != null) {
				try {
					reader.close();
				} catch (java.io.IOException e) {
					e.printStackTrace();
				}
			}
		}
	} main {
		java.io.BufferedReader reader = null;
		try {
			reader = new java.io.BufferedReader(
				new java.io.InputStreamReader(System.in)
				);
			String[] inputs = reader.readLine().split(" ");
			int a = Integer.parseInt(inputs[0]);
			int b = Integer.parseInt(inputs[1]);
			int c = Integer.parseInt(inputs[2]);
			if ((a < b) && (b < c)) {
				System.out.println("Yes");
			} else {
				System.out.println("No");
			}
		} catch (java.io.IOException e ) {
			e.printStackTrace();
		} finally {
			if (reader != null) {
				try {
					reader.close();
				} catch (java.io.IOException e) {
					e.printStackTrace();
				}
			}
		}
	} java.io.BufferedReader reader = null; reader null try {
			reader = new java.io.BufferedReader(
				new java.io.InputStreamReader(System.in)
				);
			String[] inputs = reader.readLine().split(" ");
			int a = Integer.parseInt(inputs[0]);
			int b = Integer.parseInt(inputs[1]);
			int c = Integer.parseInt(inputs[2]);
			if ((a < b) && (b < c)) {
				System.out.println("Yes");
			} else {
				System.out.println("No");
			}
		} catch (java.io.IOException e ) {
			e.printStackTrace();
		} finally {
			if (reader != null) {
				try {
					reader.close();
				} catch (java.io.IOException e) {
					e.printStackTrace();
				}
			}
		} catch (java.io.IOException e ) {
			e.printStackTrace();
		} java.io.IOException e {
			e.printStackTrace();
		} e.printStackTrace() e.printStackTrace e {
			if (reader != null) {
				try {
					reader.close();
				} catch (java.io.IOException e) {
					e.printStackTrace();
				}
			}
		} if (reader != null) {
				try {
					reader.close();
				} catch (java.io.IOException e) {
					e.printStackTrace();
				}
			} reader != null reader null {
				try {
					reader.close();
				} catch (java.io.IOException e) {
					e.printStackTrace();
				}
			} try {
					reader.close();
				} catch (java.io.IOException e) {
					e.printStackTrace();
				} catch (java.io.IOException e) {
					e.printStackTrace();
				} java.io.IOException e {
					e.printStackTrace();
				} e.printStackTrace() e.printStackTrace e {
					reader.close();
				} reader.close() reader.close reader {
			reader = new java.io.BufferedReader(
				new java.io.InputStreamReader(System.in)
				);
			String[] inputs = reader.readLine().split(" ");
			int a = Integer.parseInt(inputs[0]);
			int b = Integer.parseInt(inputs[1]);
			int c = Integer.parseInt(inputs[2]);
			if ((a < b) && (b < c)) {
				System.out.println("Yes");
			} else {
				System.out.println("No");
			}
		} reader = new java.io.BufferedReader(
				new java.io.InputStreamReader(System.in)
				) reader new java.io.BufferedReader(
				new java.io.InputStreamReader(System.in)
				) String[] inputs = reader.readLine().split(" "); inputs reader.readLine().split(" ") reader.readLine().split reader.readLine() reader.readLine reader " " int a = Integer.parseInt(inputs[0]); a Integer.parseInt(inputs[0]) Integer.parseInt Integer inputs[0] inputs 0 int b = Integer.parseInt(inputs[1]); b Integer.parseInt(inputs[1]) Integer.parseInt Integer inputs[1] inputs 1 int c = Integer.parseInt(inputs[2]); c Integer.parseInt(inputs[2]) Integer.parseInt Integer inputs[2] inputs 2 if ((a < b) && (b < c)) {
				System.out.println("Yes");
			} else {
				System.out.println("No");
			} (a < b) && (b < c) (a < b) a b (b < c) b c {
				System.out.println("Yes");
			} System.out.println("Yes") System.out.println System.out System System.out "Yes" {
				System.out.println("No");
			} System.out.println("No") System.out.println System.out System System.out "No" String[] args args
class Main
{
	public static void main(String[] args) {
		java.io.BufferedReader reader = null;
		try {
			reader = new java.io.BufferedReader(
				new java.io.InputStreamReader(System.in)
				);
			String[] inputs = reader.readLine().split(" ");
			int a = Integer.parseInt(inputs[0]);
			int b = Integer.parseInt(inputs[1]);
			int c = Integer.parseInt(inputs[2]);
			if ((a < b) && (b < c)) {
				System.out.println("Yes");
			} else {
				System.out.println("No");
			}
		} catch (java.io.IOException e ) {
			e.printStackTrace();
		} finally {
			if (reader != null) {
				try {
					reader.close();
				} catch (java.io.IOException e) {
					e.printStackTrace();
				}
			}
		}
	}
}