import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;


public class Main {
	public void exec() throws IOException {
		InputUtil input = new InputUtil();
		PrintWriter out = new PrintWriter(System.out);
		int a,b;
		char op;
		LOOP:
		while(true){
			a = input.nextInt();
			op = input.nextChar();
			b = input.nextInt();
			switch(op){
			case '+':
				out.println(a+b);
				break;
			case '-':
				out.println(a-b);
				break;
			case '*':
				out.println(a*b);
				break;
			case '/':
				out.println(a/b);
				break;
			case '?':
			default:
				break LOOP;
			}
		}
		out.flush();
		input.close();
	}

	public static void main(String[] args) throws IOException {
		new Main().exec();
	}
}

/**
 * --------------------------------------------------
 * Input Utility
 * --------------------------------------------------
 */
class InputUtil {
	//Static Fields
	private static final int BUFSIZ = 50000;
	
	//Fields
	protected InputStream in;
	private char[] buf = null;
	private int ptr = 0;
	private int max = -1;
	private BufferedReader br = null;
	
	//Constructors
	public InputUtil() {this(System.in,BUFSIZ);}
	public InputUtil(int bufsiz) {this(System.in,bufsiz);}
	public InputUtil(InputStream in) {this(in,BUFSIZ);}
	public InputUtil(InputStream in, int bufsiz) {
		initBuf(bufsiz);
		initIn(in);
	}
	
	//Methods
	//Initializer
	protected void initIn(InputStream in) {br = new BufferedReader(new InputStreamReader(this.in = in));}
	protected void initBuf(int bufsiz) {buf = new char[bufsiz];}
	
	//String Input Reader/Parser
	private void readBuf() throws IOException {
		if(ptr >= max && br.ready()) {
			max = br.read(buf);
			ptr = 0;
		}
	}
	
	public BufferedReader getReader() {return br;}
	
	//Number Input Reader/Parser
	private boolean isNum(char b) {return '0' <= b && b <= '9'; }
	private boolean isMinus(char b) {return b=='-'; }
	private void next() throws IOException {ptr++; readBuf();}

	public char nextChar() throws IOException {
		readBuf();
		if(ptr < max) {
			return buf[ptr++];
		}else{
			return (char)-1;
		}
	}

	public int nextInt() throws IOException {return nextInt(new int[1])[0];}
	public int[] nextInt(int[] result) throws IOException {
		readBuf();
		for(int i=0; i<result.length; i++) {
			int sign = 1;
			int res = 0;
			char c;
			while (!isNum(c=buf[ptr]) && !isMinus(c)) 
				next();
			if (isMinus(buf[ptr])) {
				sign = -1;
				next();
			}
			while (isNum(c=buf[ptr])) {
				res *= 10;
				res += c - '0' ;
				next();
			}
			next();
			result[i] = sign * res;
		}
		return result;
	}
	
	//Close 
	public void close() throws IOException {
		if(!this.in.equals(System.in)) 
			this.in.close();
	}

} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStream; InputStream java.io import java.io.InputStreamReader; InputStreamReader java.io import java.io.PrintWriter; PrintWriter java.io public class Main {
	public void exec() throws IOException {
		InputUtil input = new InputUtil();
		PrintWriter out = new PrintWriter(System.out);
		int a,b;
		char op;
		LOOP:
		while(true){
			a = input.nextInt();
			op = input.nextChar();
			b = input.nextInt();
			switch(op){
			case '+':
				out.println(a+b);
				break;
			case '-':
				out.println(a-b);
				break;
			case '*':
				out.println(a*b);
				break;
			case '/':
				out.println(a/b);
				break;
			case '?':
			default:
				break LOOP;
			}
		}
		out.flush();
		input.close();
	}

	public static void main(String[] args) throws IOException {
		new Main().exec();
	}
} Main public void exec() throws IOException {
		InputUtil input = new InputUtil();
		PrintWriter out = new PrintWriter(System.out);
		int a,b;
		char op;
		LOOP:
		while(true){
			a = input.nextInt();
			op = input.nextChar();
			b = input.nextInt();
			switch(op){
			case '+':
				out.println(a+b);
				break;
			case '-':
				out.println(a-b);
				break;
			case '*':
				out.println(a*b);
				break;
			case '/':
				out.println(a/b);
				break;
			case '?':
			default:
				break LOOP;
			}
		}
		out.flush();
		input.close();
	} exec {
		InputUtil input = new InputUtil();
		PrintWriter out = new PrintWriter(System.out);
		int a,b;
		char op;
		LOOP:
		while(true){
			a = input.nextInt();
			op = input.nextChar();
			b = input.nextInt();
			switch(op){
			case '+':
				out.println(a+b);
				break;
			case '-':
				out.println(a-b);
				break;
			case '*':
				out.println(a*b);
				break;
			case '/':
				out.println(a/b);
				break;
			case '?':
			default:
				break LOOP;
			}
		}
		out.flush();
		input.close();
	} InputUtil input = new InputUtil(); input new InputUtil() PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) int a a b; b char op; op out.flush() out.flush out input.close() input.close input public static void main(String[] args) throws IOException {
		new Main().exec();
	} main {
		new Main().exec();
	} new Main().exec() new Main().exec new Main() String[] args args class InputUtil {
	//Static Fields
	private static final int BUFSIZ = 50000;
	
	//Fields
	protected InputStream in;
	private char[] buf = null;
	private int ptr = 0;
	private int max = -1;
	private BufferedReader br = null;
	
	//Constructors
	public InputUtil() {this(System.in,BUFSIZ);}
	public InputUtil(int bufsiz) {this(System.in,bufsiz);}
	public InputUtil(InputStream in) {this(in,BUFSIZ);}
	public InputUtil(InputStream in, int bufsiz) {
		initBuf(bufsiz);
		initIn(in);
	}
	
	//Methods
	//Initializer
	protected void initIn(InputStream in) {br = new BufferedReader(new InputStreamReader(this.in = in));}
	protected void initBuf(int bufsiz) {buf = new char[bufsiz];}
	
	//String Input Reader/Parser
	private void readBuf() throws IOException {
		if(ptr >= max && br.ready()) {
			max = br.read(buf);
			ptr = 0;
		}
	}
	
	public BufferedReader getReader() {return br;}
	
	//Number Input Reader/Parser
	private boolean isNum(char b) {return '0' <= b && b <= '9'; }
	private boolean isMinus(char b) {return b=='-'; }
	private void next() throws IOException {ptr++; readBuf();}

	public char nextChar() throws IOException {
		readBuf();
		if(ptr < max) {
			return buf[ptr++];
		}else{
			return (char)-1;
		}
	}

	public int nextInt() throws IOException {return nextInt(new int[1])[0];}
	public int[] nextInt(int[] result) throws IOException {
		readBuf();
		for(int i=0; i<result.length; i++) {
			int sign = 1;
			int res = 0;
			char c;
			while (!isNum(c=buf[ptr]) && !isMinus(c)) 
				next();
			if (isMinus(buf[ptr])) {
				sign = -1;
				next();
			}
			while (isNum(c=buf[ptr])) {
				res *= 10;
				res += c - '0' ;
				next();
			}
			next();
			result[i] = sign * res;
		}
		return result;
	}
	
	//Close 
	public void close() throws IOException {
		if(!this.in.equals(System.in)) 
			this.in.close();
	}

} InputUtil //Static Fields
	private static final int BUFSIZ = 50000; BUFSIZ 50000 //Fields
	protected InputStream in; in private char[] buf = null; buf null private int ptr = 0; ptr 0 private int max = -1; max -1 1 private BufferedReader br = null; br null //Constructors
	public InputUtil() {this(System.in,BUFSIZ);} InputUtil {this(System.in,BUFSIZ);} this(System.in,BUFSIZ) this System.in System System.in BUFSIZ public InputUtil(int bufsiz) {this(System.in,bufsiz);} InputUtil {this(System.in,bufsiz);} this(System.in,bufsiz) this System.in System System.in bufsiz int bufsiz bufsiz public InputUtil(InputStream in) {this(in,BUFSIZ);} InputUtil {this(in,BUFSIZ);} this(in,BUFSIZ) this in BUFSIZ InputStream in in public InputUtil(InputStream in, int bufsiz) {
		initBuf(bufsiz);
		initIn(in);
	} InputUtil {
		initBuf(bufsiz);
		initIn(in);
	} initBuf(bufsiz) initBuf bufsiz initIn(in) initIn in InputStream in in int bufsiz bufsiz //Methods
	//Initializer
	protected void initIn(InputStream in) {br = new BufferedReader(new InputStreamReader(this.in = in));} initIn {br = new BufferedReader(new InputStreamReader(this.in = in));} br = new BufferedReader(new InputStreamReader(this.in = in)) br new BufferedReader(new InputStreamReader(this.in = in)) InputStream in in protected void initBuf(int bufsiz) {buf = new char[bufsiz];} initBuf {buf = new char[bufsiz];} buf = new char[bufsiz] buf new char[bufsiz] bufsiz int bufsiz bufsiz //String Input Reader/Parser
	private void readBuf() throws IOException {
		if(ptr >= max && br.ready()) {
			max = br.read(buf);
			ptr = 0;
		}
	} readBuf {
		if(ptr >= max && br.ready()) {
			max = br.read(buf);
			ptr = 0;
		}
	} if(ptr >= max && br.ready()) {
			max = br.read(buf);
			ptr = 0;
		} ptr >= max && br.ready() ptr >= max ptr max br.ready() br.ready br {
			max = br.read(buf);
			ptr = 0;
		} max = br.read(buf) max br.read(buf) br.read br buf ptr = 0 ptr 0 public BufferedReader getReader() {return br;} getReader {return br;} return br; br //Number Input Reader/Parser
	private boolean isNum(char b) {return '0' <= b && b <= '9'; } isNum {return '0' <= b && b <= '9'; } return '0' <= b && b <= '9'; '0' <= b && b <= '9' '0' <= b '0' b b <= '9' b '9' char b b private boolean isMinus(char b) {return b=='-'; } isMinus {return b=='-'; } return b=='-'; b=='-' b '-' char b b private void next() throws IOException {ptr++; readBuf();} next {ptr++; readBuf();} ptr++ ptr readBuf() readBuf public char nextChar() throws IOException {
		readBuf();
		if(ptr < max) {
			return buf[ptr++];
		}else{
			return (char)-1;
		}
	} nextChar {
		readBuf();
		if(ptr < max) {
			return buf[ptr++];
		}else{
			return (char)-1;
		}
	} readBuf() readBuf if(ptr < max) {
			return buf[ptr++];
		}else{
			return (char)-1;
		} ptr < max ptr max {
			return buf[ptr++];
		} return buf[ptr++]; buf[ptr++] buf ptr++ ptr {
			return (char)-1;
		} return (char)-1; (char)-1 1 public int nextInt() throws IOException {return nextInt(new int[1])[0];} nextInt {return nextInt(new int[1])[0];} return nextInt(new int[1])[0]; nextInt(new int[1])[0] nextInt(new int[1]) nextInt new int[1] 1 0 public int[] nextInt(int[] result) throws IOException {
		readBuf();
		for(int i=0; i<result.length; i++) {
			int sign = 1;
			int res = 0;
			char c;
			while (!isNum(c=buf[ptr]) && !isMinus(c)) 
				next();
			if (isMinus(buf[ptr])) {
				sign = -1;
				next();
			}
			while (isNum(c=buf[ptr])) {
				res *= 10;
				res += c - '0' ;
				next();
			}
			next();
			result[i] = sign * res;
		}
		return result;
	} nextInt {
		readBuf();
		for(int i=0; i<result.length; i++) {
			int sign = 1;
			int res = 0;
			char c;
			while (!isNum(c=buf[ptr]) && !isMinus(c)) 
				next();
			if (isMinus(buf[ptr])) {
				sign = -1;
				next();
			}
			while (isNum(c=buf[ptr])) {
				res *= 10;
				res += c - '0' ;
				next();
			}
			next();
			result[i] = sign * res;
		}
		return result;
	} readBuf() readBuf for(int i=0; i<result.length; i++) {
			int sign = 1;
			int res = 0;
			char c;
			while (!isNum(c=buf[ptr]) && !isMinus(c)) 
				next();
			if (isMinus(buf[ptr])) {
				sign = -1;
				next();
			}
			while (isNum(c=buf[ptr])) {
				res *= 10;
				res += c - '0' ;
				next();
			}
			next();
			result[i] = sign * res;
		} int i=0; int i=0; i 0 i<result.length i result.length result result.length i++ i++ i {
			int sign = 1;
			int res = 0;
			char c;
			while (!isNum(c=buf[ptr]) && !isMinus(c)) 
				next();
			if (isMinus(buf[ptr])) {
				sign = -1;
				next();
			}
			while (isNum(c=buf[ptr])) {
				res *= 10;
				res += c - '0' ;
				next();
			}
			next();
			result[i] = sign * res;
		} {
			int sign = 1;
			int res = 0;
			char c;
			while (!isNum(c=buf[ptr]) && !isMinus(c)) 
				next();
			if (isMinus(buf[ptr])) {
				sign = -1;
				next();
			}
			while (isNum(c=buf[ptr])) {
				res *= 10;
				res += c - '0' ;
				next();
			}
			next();
			result[i] = sign * res;
		} int sign = 1; sign 1 int res = 0; res 0 char c; c while (!isNum(c=buf[ptr]) && !isMinus(c)) 
				next(); !isNum(c=buf[ptr]) && !isMinus(c) !isNum(c=buf[ptr]) isNum(c=buf[ptr]) isNum c=buf[ptr] c buf[ptr] buf ptr !isMinus(c) isMinus(c) isMinus c next() next if (isMinus(buf[ptr])) {
				sign = -1;
				next();
			} isMinus(buf[ptr]) isMinus buf[ptr] buf ptr {
				sign = -1;
				next();
			} sign = -1 sign -1 1 next() next while (isNum(c=buf[ptr])) {
				res *= 10;
				res += c - '0' ;
				next();
			} isNum(c=buf[ptr]) isNum c=buf[ptr] c buf[ptr] buf ptr {
				res *= 10;
				res += c - '0' ;
				next();
			} res *= 10 res 10 res += c - '0' res c - '0' c '0' next() next next() next result[i] = sign * res result[i] result i sign * res sign res return result; result int[] result result //Close 
	public void close() throws IOException {
		if(!this.in.equals(System.in)) 
			this.in.close();
	} close {
		if(!this.in.equals(System.in)) 
			this.in.close();
	} if(!this.in.equals(System.in)) 
			this.in.close(); !this.in.equals(System.in) this.in.equals(System.in) this.in.equals this.in this this.in System.in System System.in this.in.close() this.in.close this.in this this.in public class Main {
	public void exec() throws IOException {
		InputUtil input = new InputUtil();
		PrintWriter out = new PrintWriter(System.out);
		int a,b;
		char op;
		LOOP:
		while(true){
			a = input.nextInt();
			op = input.nextChar();
			b = input.nextInt();
			switch(op){
			case '+':
				out.println(a+b);
				break;
			case '-':
				out.println(a-b);
				break;
			case '*':
				out.println(a*b);
				break;
			case '/':
				out.println(a/b);
				break;
			case '?':
			default:
				break LOOP;
			}
		}
		out.flush();
		input.close();
	}

	public static void main(String[] args) throws IOException {
		new Main().exec();
	}
} public class Main {
	public void exec() throws IOException {
		InputUtil input = new InputUtil();
		PrintWriter out = new PrintWriter(System.out);
		int a,b;
		char op;
		LOOP:
		while(true){
			a = input.nextInt();
			op = input.nextChar();
			b = input.nextInt();
			switch(op){
			case '+':
				out.println(a+b);
				break;
			case '-':
				out.println(a-b);
				break;
			case '*':
				out.println(a*b);
				break;
			case '/':
				out.println(a/b);
				break;
			case '?':
			default:
				break LOOP;
			}
		}
		out.flush();
		input.close();
	}

	public static void main(String[] args) throws IOException {
		new Main().exec();
	}
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;


public class Main {
	public void exec() throws IOException {
		InputUtil input = new InputUtil();
		PrintWriter out = new PrintWriter(System.out);
		int a,b;
		char op;
		LOOP:
		while(true){
			a = input.nextInt();
			op = input.nextChar();
			b = input.nextInt();
			switch(op){
			case '+':
				out.println(a+b);
				break;
			case '-':
				out.println(a-b);
				break;
			case '*':
				out.println(a*b);
				break;
			case '/':
				out.println(a/b);
				break;
			case '?':
			default:
				break LOOP;
			}
		}
		out.flush();
		input.close();
	}

	public static void main(String[] args) throws IOException {
		new Main().exec();
	}
}

/**
 * --------------------------------------------------
 * Input Utility
 * --------------------------------------------------
 */
class InputUtil {
	//Static Fields
	private static final int BUFSIZ = 50000;
	
	//Fields
	protected InputStream in;
	private char[] buf = null;
	private int ptr = 0;
	private int max = -1;
	private BufferedReader br = null;
	
	//Constructors
	public InputUtil() {this(System.in,BUFSIZ);}
	public InputUtil(int bufsiz) {this(System.in,bufsiz);}
	public InputUtil(InputStream in) {this(in,BUFSIZ);}
	public InputUtil(InputStream in, int bufsiz) {
		initBuf(bufsiz);
		initIn(in);
	}
	
	//Methods
	//Initializer
	protected void initIn(InputStream in) {br = new BufferedReader(new InputStreamReader(this.in = in));}
	protected void initBuf(int bufsiz) {buf = new char[bufsiz];}
	
	//String Input Reader/Parser
	private void readBuf() throws IOException {
		if(ptr >= max && br.ready()) {
			max = br.read(buf);
			ptr = 0;
		}
	}
	
	public BufferedReader getReader() {return br;}
	
	//Number Input Reader/Parser
	private boolean isNum(char b) {return '0' <= b && b <= '9'; }
	private boolean isMinus(char b) {return b=='-'; }
	private void next() throws IOException {ptr++; readBuf();}

	public char nextChar() throws IOException {
		readBuf();
		if(ptr < max) {
			return buf[ptr++];
		}else{
			return (char)-1;
		}
	}

	public int nextInt() throws IOException {return nextInt(new int[1])[0];}
	public int[] nextInt(int[] result) throws IOException {
		readBuf();
		for(int i=0; i<result.length; i++) {
			int sign = 1;
			int res = 0;
			char c;
			while (!isNum(c=buf[ptr]) && !isMinus(c)) 
				next();
			if (isMinus(buf[ptr])) {
				sign = -1;
				next();
			}
			while (isNum(c=buf[ptr])) {
				res *= 10;
				res += c - '0' ;
				next();
			}
			next();
			result[i] = sign * res;
		}
		return result;
	}
	
	//Close 
	public void close() throws IOException {
		if(!this.in.equals(System.in)) 
			this.in.close();
	}

}