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package elearning.io13.A;

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

public class KalulatorA {
	public static void main(String[] args) throws IOException {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		String linia;
		
		while ((linia = reader.readLine()) != null) {
			StringTokenizer st = new StringTokenizer(linia, " ");
			double a = Double.parseDouble(st.nextToken());
			String operand = st.nextToken();
			double b = Double.parseDouble(st.nextToken());
			
			if (operand.equals("+")) {
				System.out.println(a + b);
			} else if (operand.equals("-")) {
				System.out.println(a - b);
			} else if (operand.equals("*")) {
				System.out.println(a * b);
			} else if (operand.equals("/")) {
				System.out.println(a / b);
			} else if (operand.equals("||")) {
				System.out.println((int)a | (int)b);
			} else if (operand.equals("&&")) {
				System.out.println((int)a & (int)b);
		}
	}
}