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

public class Main {

	public static void main(String[] args) {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		String buffer;
		try {
			while ((buffer = reader.readLine())  != null) {
				int a = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				String op = buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				int b = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));

				switch (op) {
				default : {
					return;
				}
				case ("+") : {
					System.out.println((int)(a + b));
					break;
				}
				case ("-") : {
					System.out.println((int)(a - b));
					break;
				}
				case ("*") : {
					System.out.println((int)(a * b));
					break;
				}
				case ("/") : {
					System.out.println((int)(a / b));
					break;
				}
				}
			}
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}
} import java.io.BufferedReader; BufferedReader java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {

	public static void main(String[] args) {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		String buffer;
		try {
			while ((buffer = reader.readLine())  != null) {
				int a = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				String op = buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				int b = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));

				switch (op) {
				default : {
					return;
				}
				case ("+") : {
					System.out.println((int)(a + b));
					break;
				}
				case ("-") : {
					System.out.println((int)(a - b));
					break;
				}
				case ("*") : {
					System.out.println((int)(a * b));
					break;
				}
				case ("/") : {
					System.out.println((int)(a / b));
					break;
				}
				}
			}
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}
} Main public static void main(String[] args) {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		String buffer;
		try {
			while ((buffer = reader.readLine())  != null) {
				int a = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				String op = buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				int b = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));

				switch (op) {
				default : {
					return;
				}
				case ("+") : {
					System.out.println((int)(a + b));
					break;
				}
				case ("-") : {
					System.out.println((int)(a - b));
					break;
				}
				case ("*") : {
					System.out.println((int)(a * b));
					break;
				}
				case ("/") : {
					System.out.println((int)(a / b));
					break;
				}
				}
			}
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	} main {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		String buffer;
		try {
			while ((buffer = reader.readLine())  != null) {
				int a = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				String op = buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				int b = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));

				switch (op) {
				default : {
					return;
				}
				case ("+") : {
					System.out.println((int)(a + b));
					break;
				}
				case ("-") : {
					System.out.println((int)(a - b));
					break;
				}
				case ("*") : {
					System.out.println((int)(a * b));
					break;
				}
				case ("/") : {
					System.out.println((int)(a / b));
					break;
				}
				}
			}
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	} BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); reader new BufferedReader(new InputStreamReader(System.in)) String buffer; buffer try {
			while ((buffer = reader.readLine())  != null) {
				int a = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				String op = buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				int b = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));

				switch (op) {
				default : {
					return;
				}
				case ("+") : {
					System.out.println((int)(a + b));
					break;
				}
				case ("-") : {
					System.out.println((int)(a - b));
					break;
				}
				case ("*") : {
					System.out.println((int)(a * b));
					break;
				}
				case ("/") : {
					System.out.println((int)(a / b));
					break;
				}
				}
			}
		} catch (Exception ex) {
			ex.printStackTrace();
		} catch (Exception ex) {
			ex.printStackTrace();
		} Exception ex {
			ex.printStackTrace();
		} ex.printStackTrace() ex.printStackTrace ex {
			while ((buffer = reader.readLine())  != null) {
				int a = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				String op = buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				int b = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));

				switch (op) {
				default : {
					return;
				}
				case ("+") : {
					System.out.println((int)(a + b));
					break;
				}
				case ("-") : {
					System.out.println((int)(a - b));
					break;
				}
				case ("*") : {
					System.out.println((int)(a * b));
					break;
				}
				case ("/") : {
					System.out.println((int)(a / b));
					break;
				}
				}
			}
		} while ((buffer = reader.readLine())  != null) {
				int a = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				String op = buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				int b = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));

				switch (op) {
				default : {
					return;
				}
				case ("+") : {
					System.out.println((int)(a + b));
					break;
				}
				case ("-") : {
					System.out.println((int)(a - b));
					break;
				}
				case ("*") : {
					System.out.println((int)(a * b));
					break;
				}
				case ("/") : {
					System.out.println((int)(a / b));
					break;
				}
				}
			} (buffer = reader.readLine())  != null (buffer = reader.readLine()) buffer reader.readLine() reader.readLine reader null {
				int a = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				String op = buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				int b = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));

				switch (op) {
				default : {
					return;
				}
				case ("+") : {
					System.out.println((int)(a + b));
					break;
				}
				case ("-") : {
					System.out.println((int)(a - b));
					break;
				}
				case ("*") : {
					System.out.println((int)(a * b));
					break;
				}
				case ("/") : {
					System.out.println((int)(a / b));
					break;
				}
				}
			} int a = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "))); a Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "))) Integer.valueOf Integer buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")) buffer.substring buffer 0 buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ") buffer.indexOf(" ") == -1 buffer.indexOf(" ") buffer.indexOf buffer " " -1 1 buffer.length() buffer.length buffer buffer.indexOf(" ") buffer.indexOf buffer " " buffer = buffer.substring(buffer.indexOf(" ") + 1) buffer buffer.substring(buffer.indexOf(" ") + 1) buffer.substring buffer buffer.indexOf(" ") + 1 buffer.indexOf(" ") buffer.indexOf buffer " " 1 String op = buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")); op buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")) buffer.substring buffer 0 buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ") buffer.indexOf(" ") == -1 buffer.indexOf(" ") buffer.indexOf buffer " " -1 1 buffer.length() buffer.length buffer buffer.indexOf(" ") buffer.indexOf buffer " " buffer = buffer.substring(buffer.indexOf(" ") + 1) buffer buffer.substring(buffer.indexOf(" ") + 1) buffer.substring buffer buffer.indexOf(" ") + 1 buffer.indexOf(" ") buffer.indexOf buffer " " 1 int b = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "))); b Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "))) Integer.valueOf Integer buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")) buffer.substring buffer 0 buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ") buffer.indexOf(" ") == -1 buffer.indexOf(" ") buffer.indexOf buffer " " -1 1 buffer.length() buffer.length buffer buffer.indexOf(" ") buffer.indexOf buffer " " switch (op) {
				default : {
					return;
				}
				case ("+") : {
					System.out.println((int)(a + b));
					break;
				}
				case ("-") : {
					System.out.println((int)(a - b));
					break;
				}
				case ("*") : {
					System.out.println((int)(a * b));
					break;
				}
				case ("/") : {
					System.out.println((int)(a / b));
					break;
				}
				} op default : default : {
					return;
				} return; case ("+") : ("+") case ("+") : {
					System.out.println((int)(a + b));
					break;
				} System.out.println((int)(a + b)) System.out.println System.out System System.out (int)(a + b) a b break; case ("-") : ("-") case ("-") : {
					System.out.println((int)(a - b));
					break;
				} System.out.println((int)(a - b)) System.out.println System.out System System.out (int)(a - b) a b break; case ("*") : ("*") case ("*") : {
					System.out.println((int)(a * b));
					break;
				} System.out.println((int)(a * b)) System.out.println System.out System System.out (int)(a * b) a b break; case ("/") : ("/") case ("/") : {
					System.out.println((int)(a / b));
					break;
				} System.out.println((int)(a / b)) System.out.println System.out System System.out (int)(a / b) a b break; String[] args args public class Main {

	public static void main(String[] args) {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		String buffer;
		try {
			while ((buffer = reader.readLine())  != null) {
				int a = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				String op = buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				int b = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));

				switch (op) {
				default : {
					return;
				}
				case ("+") : {
					System.out.println((int)(a + b));
					break;
				}
				case ("-") : {
					System.out.println((int)(a - b));
					break;
				}
				case ("*") : {
					System.out.println((int)(a * b));
					break;
				}
				case ("/") : {
					System.out.println((int)(a / b));
					break;
				}
				}
			}
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}
} public class Main {

	public static void main(String[] args) {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		String buffer;
		try {
			while ((buffer = reader.readLine())  != null) {
				int a = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				String op = buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				int b = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));

				switch (op) {
				default : {
					return;
				}
				case ("+") : {
					System.out.println((int)(a + b));
					break;
				}
				case ("-") : {
					System.out.println((int)(a - b));
					break;
				}
				case ("*") : {
					System.out.println((int)(a * b));
					break;
				}
				case ("/") : {
					System.out.println((int)(a / b));
					break;
				}
				}
			}
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}
} Main
import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		String buffer;
		try {
			while ((buffer = reader.readLine())  != null) {
				int a = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				String op = buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" "));
				buffer = buffer.substring(buffer.indexOf(" ") + 1);
				int b = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ") == -1 ? buffer.length() : buffer.indexOf(" ")));

				switch (op) {
				default : {
					return;
				}
				case ("+") : {
					System.out.println((int)(a + b));
					break;
				}
				case ("-") : {
					System.out.println((int)(a - b));
					break;
				}
				case ("*") : {
					System.out.println((int)(a * b));
					break;
				}
				case ("/") : {
					System.out.println((int)(a / b));
					break;
				}
				}
			}
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}
}