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


public class Main {
    public static void main(String[] args) {
    	
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			while(true){
				String buf = br.readLine();
				StringTokenizer st=new StringTokenizer(buf," ");

				int a = Integer.parseInt(st.nextToken());
				String op = st.nextToken();
				int b = Integer.parseInt(st.nextToken());

				if(op.equals("?"))	break;

				if(0 <= a && a<=20000 && 0 <= b && b<=20000){

					if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					}
				}
			}
    	} catch(IOException e) {
    		System.err.println(e);
		}
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.StringTokenizer; StringTokenizer java.util public class Main {
    public static void main(String[] args) {
    	
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			while(true){
				String buf = br.readLine();
				StringTokenizer st=new StringTokenizer(buf," ");

				int a = Integer.parseInt(st.nextToken());
				String op = st.nextToken();
				int b = Integer.parseInt(st.nextToken());

				if(op.equals("?"))	break;

				if(0 <= a && a<=20000 && 0 <= b && b<=20000){

					if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					}
				}
			}
    	} catch(IOException e) {
    		System.err.println(e);
		}
    }
} Main public static void main(String[] args) {
    	
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			while(true){
				String buf = br.readLine();
				StringTokenizer st=new StringTokenizer(buf," ");

				int a = Integer.parseInt(st.nextToken());
				String op = st.nextToken();
				int b = Integer.parseInt(st.nextToken());

				if(op.equals("?"))	break;

				if(0 <= a && a<=20000 && 0 <= b && b<=20000){

					if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					}
				}
			}
    	} catch(IOException e) {
    		System.err.println(e);
		}
    } main {
    	
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			while(true){
				String buf = br.readLine();
				StringTokenizer st=new StringTokenizer(buf," ");

				int a = Integer.parseInt(st.nextToken());
				String op = st.nextToken();
				int b = Integer.parseInt(st.nextToken());

				if(op.equals("?"))	break;

				if(0 <= a && a<=20000 && 0 <= b && b<=20000){

					if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					}
				}
			}
    	} catch(IOException e) {
    		System.err.println(e);
		}
    } try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			while(true){
				String buf = br.readLine();
				StringTokenizer st=new StringTokenizer(buf," ");

				int a = Integer.parseInt(st.nextToken());
				String op = st.nextToken();
				int b = Integer.parseInt(st.nextToken());

				if(op.equals("?"))	break;

				if(0 <= a && a<=20000 && 0 <= b && b<=20000){

					if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					}
				}
			}
    	} catch(IOException e) {
    		System.err.println(e);
		} catch(IOException e) {
    		System.err.println(e);
		} IOException e {
    		System.err.println(e);
		} System.err.println(e) System.err.println System.err System System.err e {
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			while(true){
				String buf = br.readLine();
				StringTokenizer st=new StringTokenizer(buf," ");

				int a = Integer.parseInt(st.nextToken());
				String op = st.nextToken();
				int b = Integer.parseInt(st.nextToken());

				if(op.equals("?"))	break;

				if(0 <= a && a<=20000 && 0 <= b && b<=20000){

					if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					}
				}
			}
    	} InputStreamReader isr = new InputStreamReader(System.in); isr new InputStreamReader(System.in) BufferedReader br = new BufferedReader(isr); br new BufferedReader(isr) while(true){
				String buf = br.readLine();
				StringTokenizer st=new StringTokenizer(buf," ");

				int a = Integer.parseInt(st.nextToken());
				String op = st.nextToken();
				int b = Integer.parseInt(st.nextToken());

				if(op.equals("?"))	break;

				if(0 <= a && a<=20000 && 0 <= b && b<=20000){

					if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					}
				}
			} true {
				String buf = br.readLine();
				StringTokenizer st=new StringTokenizer(buf," ");

				int a = Integer.parseInt(st.nextToken());
				String op = st.nextToken();
				int b = Integer.parseInt(st.nextToken());

				if(op.equals("?"))	break;

				if(0 <= a && a<=20000 && 0 <= b && b<=20000){

					if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					}
				}
			} String buf = br.readLine(); buf br.readLine() br.readLine br StringTokenizer st=new StringTokenizer(buf," "); st new StringTokenizer(buf," ") int a = Integer.parseInt(st.nextToken()); a Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st String op = st.nextToken(); op st.nextToken() st.nextToken st int b = Integer.parseInt(st.nextToken()); b Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st if(op.equals("?"))	break; op.equals("?") op.equals op "?" break; if(0 <= a && a<=20000 && 0 <= b && b<=20000){

					if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					}
				} 0 <= a && a<=20000 && 0 <= b && b<=20000 0 <= b 0 <= a && a<=20000 && 0 <= b && b<=20000 0 <= a 0 a a<=20000 a 20000 0 <= b 0 b b<=20000 b 20000 {

					if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					}
				} if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					} op.equals("+") op.equals op "+" {
						System.out.printf("%d\n",a+b);

					} System.out.printf("%d\n",a+b) System.out.printf System.out System System.out "%d\n" a+b a b if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					} op.equals("-") op.equals op "-" {
						System.out.printf("%d\n",a-b);

					} System.out.printf("%d\n",a-b) System.out.printf System.out System System.out "%d\n" a-b a b if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					} op.equals("*") op.equals op "*" {
						System.out.printf("%d\n",a*b);

					} System.out.printf("%d\n",a*b) System.out.printf System.out System System.out "%d\n" a*b a b if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					} op.equals("/") op.equals op "/" {
						System.out.printf("%d\n",a/b);

					} System.out.printf("%d\n",a/b) System.out.printf System.out System System.out "%d\n" a/b a b String[] args args public class Main {
    public static void main(String[] args) {
    	
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			while(true){
				String buf = br.readLine();
				StringTokenizer st=new StringTokenizer(buf," ");

				int a = Integer.parseInt(st.nextToken());
				String op = st.nextToken();
				int b = Integer.parseInt(st.nextToken());

				if(op.equals("?"))	break;

				if(0 <= a && a<=20000 && 0 <= b && b<=20000){

					if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					}
				}
			}
    	} catch(IOException e) {
    		System.err.println(e);
		}
    }
} public class Main {
    public static void main(String[] args) {
    	
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			while(true){
				String buf = br.readLine();
				StringTokenizer st=new StringTokenizer(buf," ");

				int a = Integer.parseInt(st.nextToken());
				String op = st.nextToken();
				int b = Integer.parseInt(st.nextToken());

				if(op.equals("?"))	break;

				if(0 <= a && a<=20000 && 0 <= b && b<=20000){

					if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					}
				}
			}
    	} catch(IOException e) {
    		System.err.println(e);
		}
    }
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;


public class Main {
    public static void main(String[] args) {
    	
    	try{
    		InputStreamReader isr = new InputStreamReader(System.in);
			BufferedReader br = new BufferedReader(isr);
			while(true){
				String buf = br.readLine();
				StringTokenizer st=new StringTokenizer(buf," ");

				int a = Integer.parseInt(st.nextToken());
				String op = st.nextToken();
				int b = Integer.parseInt(st.nextToken());

				if(op.equals("?"))	break;

				if(0 <= a && a<=20000 && 0 <= b && b<=20000){

					if( op.equals("+") ){
						System.out.printf("%d\n",a+b);

					}else if( op.equals("-") ){
						System.out.printf("%d\n",a-b);

					}else if( op.equals("*") ){
						System.out.printf("%d\n",a*b);

					}else if( op.equals("/") ){
						System.out.printf("%d\n",a/b);

					}
				}
			}
    	} catch(IOException e) {
    		System.err.println(e);
		}
    }
}