/* Reading and verifying an integer string */

import java.io.*;

class calc {

  public static void main (String[] args) throws IOException {

    int a, b;
    String op;
    
    BufferedReader stdin;
    stdin = new BufferedReader (new InputStreamReader (System.in));

    System.out.println ("Type an int, operation(+,-,*,/,%) and another int on separate lines");
    a = Integer.parseInt (stdin.readLine());
    op = stdin.readLine();
    b = Integer.parseInt (stdin.readLine());
    System.out.println ("--------------");
/*
    if (op.charAt(0)=='+') System.out.println (a + b);
      else if (op.charAt(0)=='-') System.out.println (a - b);
        else if (op.charAt(0)=='*') System.out.println (a * b);
          else if (op.charAt(0)=='/') System.out.println (a / b);
            else if (op.charAt(0)=='%') System.out.println (a % b);
              else System.out.println ("Wrong operaton");
*/
    switch (op.charAt(0)) {
      case '+': System.out.println (a + b); break;
      case '-': System.out.println (a - b); break;
      case '*': System.out.println (a * b); break;
      case '/': System.out.println (a / b); break;
      case '%': System.out.println (a % b); break;
      default : System.out.println ("Wrong operaton"); break;
    }

  }
}