import java.util.Scanner;

public class Piensa {

   public static void main (String[] args) {
      Scanner in = new Scanner(System.in);

      int n = in.nextInt();
      int m = in.nextInt();
      for (int i= 0; i< m; ++i) {
         String s = in.next();
         int p = in.nextInt();
         switch (s.charAt(0)) {
            case '+': n+= p; break;
            case '-': n-= p; break;
            case '*': n*= p; break;
            case '/': n/= p; break;
            case '%': n%= p; break;
         }      
      }
      System.out.println(n);
   }
}