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

//import org.junit.Test;

public class Main {
//	@Test
//	public void testName() throws Exception {
//		main(null);
//	}

	public static void main(String[] args) throws IOException {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(
				System.in))) {

			new Main().solution(br);
		}
	}

	private void solution(BufferedReader br) throws IOException {
		for (String line = br.readLine(); Objects.nonNull(line); line = br
				.readLine()) {
			String[] strList = line.split(" ", 0);

			int num1 = Integer.parseInt(strList[0]);
			int num2 = Integer.parseInt(strList[2]);
			String operator = strList[1];

			if (operator.equals("?")) {
				break;
			}

			int ans = calc(num1, num2, operator);
			System.out.println(ans);

		}
	}

	private int calc(int a, int b, String operator) {
		int result = 0;
		if (operator.equals("+")) {
			result = a + b;
		} else if (operator.equals("-")) {
			result = a - b;
		} else if (operator.equals("*")) {
			result = a * b;
		} else if (operator.equals("/")) {
			result = a / b;
		}

		return result;
	}

} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.Objects; Objects java.util public class Main {
//	@Test
//	public void testName() throws Exception {
//		main(null);
//	}

	public static void main(String[] args) throws IOException {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(
				System.in))) {

			new Main().solution(br);
		}
	}

	private void solution(BufferedReader br) throws IOException {
		for (String line = br.readLine(); Objects.nonNull(line); line = br
				.readLine()) {
			String[] strList = line.split(" ", 0);

			int num1 = Integer.parseInt(strList[0]);
			int num2 = Integer.parseInt(strList[2]);
			String operator = strList[1];

			if (operator.equals("?")) {
				break;
			}

			int ans = calc(num1, num2, operator);
			System.out.println(ans);

		}
	}

	private int calc(int a, int b, String operator) {
		int result = 0;
		if (operator.equals("+")) {
			result = a + b;
		} else if (operator.equals("-")) {
			result = a - b;
		} else if (operator.equals("*")) {
			result = a * b;
		} else if (operator.equals("/")) {
			result = a / b;
		}

		return result;
	}

} Main public static void main(String[] args) throws IOException {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(
				System.in))) {

			new Main().solution(br);
		}
	} main {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(
				System.in))) {

			new Main().solution(br);
		}
	} try (BufferedReader br = new BufferedReader(new InputStreamReader(
				System.in))) {

			new Main().solution(br);
		} {

			new Main().solution(br);
		} BufferedReader br = new BufferedReader(new InputStreamReader(
				System.in)) BufferedReader br = new BufferedReader(new InputStreamReader(
				System.in)) new BufferedReader(new InputStreamReader(
				System.in)) new Main().solution(br) new Main().solution new Main() br String[] args args private void solution(BufferedReader br) throws IOException {
		for (String line = br.readLine(); Objects.nonNull(line); line = br
				.readLine()) {
			String[] strList = line.split(" ", 0);

			int num1 = Integer.parseInt(strList[0]);
			int num2 = Integer.parseInt(strList[2]);
			String operator = strList[1];

			if (operator.equals("?")) {
				break;
			}

			int ans = calc(num1, num2, operator);
			System.out.println(ans);

		}
	} solution {
		for (String line = br.readLine(); Objects.nonNull(line); line = br
				.readLine()) {
			String[] strList = line.split(" ", 0);

			int num1 = Integer.parseInt(strList[0]);
			int num2 = Integer.parseInt(strList[2]);
			String operator = strList[1];

			if (operator.equals("?")) {
				break;
			}

			int ans = calc(num1, num2, operator);
			System.out.println(ans);

		}
	} for (String line = br.readLine(); Objects.nonNull(line); line = br
				.readLine()) {
			String[] strList = line.split(" ", 0);

			int num1 = Integer.parseInt(strList[0]);
			int num2 = Integer.parseInt(strList[2]);
			String operator = strList[1];

			if (operator.equals("?")) {
				break;
			}

			int ans = calc(num1, num2, operator);
			System.out.println(ans);

		} String line = br.readLine(); String line = br.readLine(); line br.readLine() br.readLine br Objects.nonNull(line) Objects.nonNull Objects line line = br
				.readLine() line = br
				.readLine() line br
				.readLine() br
				.readLine br {
			String[] strList = line.split(" ", 0);

			int num1 = Integer.parseInt(strList[0]);
			int num2 = Integer.parseInt(strList[2]);
			String operator = strList[1];

			if (operator.equals("?")) {
				break;
			}

			int ans = calc(num1, num2, operator);
			System.out.println(ans);

		} {
			String[] strList = line.split(" ", 0);

			int num1 = Integer.parseInt(strList[0]);
			int num2 = Integer.parseInt(strList[2]);
			String operator = strList[1];

			if (operator.equals("?")) {
				break;
			}

			int ans = calc(num1, num2, operator);
			System.out.println(ans);

		} String[] strList = line.split(" ", 0); strList line.split(" ", 0) line.split line " " 0 int num1 = Integer.parseInt(strList[0]); num1 Integer.parseInt(strList[0]) Integer.parseInt Integer strList[0] strList 0 int num2 = Integer.parseInt(strList[2]); num2 Integer.parseInt(strList[2]) Integer.parseInt Integer strList[2] strList 2 String operator = strList[1]; operator strList[1] strList 1 if (operator.equals("?")) {
				break;
			} operator.equals("?") operator.equals operator "?" {
				break;
			} break; int ans = calc(num1, num2, operator); ans calc(num1, num2, operator) calc num1 num2 operator System.out.println(ans) System.out.println System.out System System.out ans BufferedReader br br private int calc(int a, int b, String operator) {
		int result = 0;
		if (operator.equals("+")) {
			result = a + b;
		} else if (operator.equals("-")) {
			result = a - b;
		} else if (operator.equals("*")) {
			result = a * b;
		} else if (operator.equals("/")) {
			result = a / b;
		}

		return result;
	} calc {
		int result = 0;
		if (operator.equals("+")) {
			result = a + b;
		} else if (operator.equals("-")) {
			result = a - b;
		} else if (operator.equals("*")) {
			result = a * b;
		} else if (operator.equals("/")) {
			result = a / b;
		}

		return result;
	} int result = 0; result 0 if (operator.equals("+")) {
			result = a + b;
		} else if (operator.equals("-")) {
			result = a - b;
		} else if (operator.equals("*")) {
			result = a * b;
		} else if (operator.equals("/")) {
			result = a / b;
		} operator.equals("+") operator.equals operator "+" {
			result = a + b;
		} result = a + b result a + b a b if (operator.equals("-")) {
			result = a - b;
		} else if (operator.equals("*")) {
			result = a * b;
		} else if (operator.equals("/")) {
			result = a / b;
		} operator.equals("-") operator.equals operator "-" {
			result = a - b;
		} result = a - b result a - b a b if (operator.equals("*")) {
			result = a * b;
		} else if (operator.equals("/")) {
			result = a / b;
		} operator.equals("*") operator.equals operator "*" {
			result = a * b;
		} result = a * b result a * b a b if (operator.equals("/")) {
			result = a / b;
		} operator.equals("/") operator.equals operator "/" {
			result = a / b;
		} result = a / b result a / b a b return result; result int a a int b b String operator operator public class Main {
//	@Test
//	public void testName() throws Exception {
//		main(null);
//	}

	public static void main(String[] args) throws IOException {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(
				System.in))) {

			new Main().solution(br);
		}
	}

	private void solution(BufferedReader br) throws IOException {
		for (String line = br.readLine(); Objects.nonNull(line); line = br
				.readLine()) {
			String[] strList = line.split(" ", 0);

			int num1 = Integer.parseInt(strList[0]);
			int num2 = Integer.parseInt(strList[2]);
			String operator = strList[1];

			if (operator.equals("?")) {
				break;
			}

			int ans = calc(num1, num2, operator);
			System.out.println(ans);

		}
	}

	private int calc(int a, int b, String operator) {
		int result = 0;
		if (operator.equals("+")) {
			result = a + b;
		} else if (operator.equals("-")) {
			result = a - b;
		} else if (operator.equals("*")) {
			result = a * b;
		} else if (operator.equals("/")) {
			result = a / b;
		}

		return result;
	}

} public class Main {
//	@Test
//	public void testName() throws Exception {
//		main(null);
//	}

	public static void main(String[] args) throws IOException {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(
				System.in))) {

			new Main().solution(br);
		}
	}

	private void solution(BufferedReader br) throws IOException {
		for (String line = br.readLine(); Objects.nonNull(line); line = br
				.readLine()) {
			String[] strList = line.split(" ", 0);

			int num1 = Integer.parseInt(strList[0]);
			int num2 = Integer.parseInt(strList[2]);
			String operator = strList[1];

			if (operator.equals("?")) {
				break;
			}

			int ans = calc(num1, num2, operator);
			System.out.println(ans);

		}
	}

	private int calc(int a, int b, String operator) {
		int result = 0;
		if (operator.equals("+")) {
			result = a + b;
		} else if (operator.equals("-")) {
			result = a - b;
		} else if (operator.equals("*")) {
			result = a * b;
		} else if (operator.equals("/")) {
			result = a / b;
		}

		return result;
	}

} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Objects;

//import org.junit.Test;

public class Main {
//	@Test
//	public void testName() throws Exception {
//		main(null);
//	}

	public static void main(String[] args) throws IOException {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(
				System.in))) {

			new Main().solution(br);
		}
	}

	private void solution(BufferedReader br) throws IOException {
		for (String line = br.readLine(); Objects.nonNull(line); line = br
				.readLine()) {
			String[] strList = line.split(" ", 0);

			int num1 = Integer.parseInt(strList[0]);
			int num2 = Integer.parseInt(strList[2]);
			String operator = strList[1];

			if (operator.equals("?")) {
				break;
			}

			int ans = calc(num1, num2, operator);
			System.out.println(ans);

		}
	}

	private int calc(int a, int b, String operator) {
		int result = 0;
		if (operator.equals("+")) {
			result = a + b;
		} else if (operator.equals("-")) {
			result = a - b;
		} else if (operator.equals("*")) {
			result = a * b;
		} else if (operator.equals("/")) {
			result = a / b;
		}

		return result;
	}

}