import java.util.*;

class Main{
	public static void main(String[] args){
		Scanner scanner = new Scanner(System.in);
		while(scanner.hasNextLine()){
			String[] input = scanner.nextLine().split(" ");
			int a = Integer.parseInt(input[0]);
			int b = Integer.parseInt(input[2]);

			if(input[1].equals("+")){
				System.out.println(a+b);
			}else if(input[1].equals("-")){
				System.out.println(a-b);
			}else if(input[1].equals("*")){
				System.out.println(a*b);
			}else if(input[1].equals("/")){
				System.out.println(a/b);
			}else{break;}
		}
	}
} import java.util.*; util.* java class Main{
	public static void main(String[] args){
		Scanner scanner = new Scanner(System.in);
		while(scanner.hasNextLine()){
			String[] input = scanner.nextLine().split(" ");
			int a = Integer.parseInt(input[0]);
			int b = Integer.parseInt(input[2]);

			if(input[1].equals("+")){
				System.out.println(a+b);
			}else if(input[1].equals("-")){
				System.out.println(a-b);
			}else if(input[1].equals("*")){
				System.out.println(a*b);
			}else if(input[1].equals("/")){
				System.out.println(a/b);
			}else{break;}
		}
	}
} Main public static void main(String[] args){
		Scanner scanner = new Scanner(System.in);
		while(scanner.hasNextLine()){
			String[] input = scanner.nextLine().split(" ");
			int a = Integer.parseInt(input[0]);
			int b = Integer.parseInt(input[2]);

			if(input[1].equals("+")){
				System.out.println(a+b);
			}else if(input[1].equals("-")){
				System.out.println(a-b);
			}else if(input[1].equals("*")){
				System.out.println(a*b);
			}else if(input[1].equals("/")){
				System.out.println(a/b);
			}else{break;}
		}
	} main {
		Scanner scanner = new Scanner(System.in);
		while(scanner.hasNextLine()){
			String[] input = scanner.nextLine().split(" ");
			int a = Integer.parseInt(input[0]);
			int b = Integer.parseInt(input[2]);

			if(input[1].equals("+")){
				System.out.println(a+b);
			}else if(input[1].equals("-")){
				System.out.println(a-b);
			}else if(input[1].equals("*")){
				System.out.println(a*b);
			}else if(input[1].equals("/")){
				System.out.println(a/b);
			}else{break;}
		}
	} Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) while(scanner.hasNextLine()){
			String[] input = scanner.nextLine().split(" ");
			int a = Integer.parseInt(input[0]);
			int b = Integer.parseInt(input[2]);

			if(input[1].equals("+")){
				System.out.println(a+b);
			}else if(input[1].equals("-")){
				System.out.println(a-b);
			}else if(input[1].equals("*")){
				System.out.println(a*b);
			}else if(input[1].equals("/")){
				System.out.println(a/b);
			}else{break;}
		} scanner.hasNextLine() scanner.hasNextLine scanner {
			String[] input = scanner.nextLine().split(" ");
			int a = Integer.parseInt(input[0]);
			int b = Integer.parseInt(input[2]);

			if(input[1].equals("+")){
				System.out.println(a+b);
			}else if(input[1].equals("-")){
				System.out.println(a-b);
			}else if(input[1].equals("*")){
				System.out.println(a*b);
			}else if(input[1].equals("/")){
				System.out.println(a/b);
			}else{break;}
		} String[] input = scanner.nextLine().split(" "); input scanner.nextLine().split(" ") scanner.nextLine().split scanner.nextLine() scanner.nextLine scanner " " int a = Integer.parseInt(input[0]); a Integer.parseInt(input[0]) Integer.parseInt Integer input[0] input 0 int b = Integer.parseInt(input[2]); b Integer.parseInt(input[2]) Integer.parseInt Integer input[2] input 2 if(input[1].equals("+")){
				System.out.println(a+b);
			}else if(input[1].equals("-")){
				System.out.println(a-b);
			}else if(input[1].equals("*")){
				System.out.println(a*b);
			}else if(input[1].equals("/")){
				System.out.println(a/b);
			}else{break;} input[1].equals("+") input[1].equals input[1] input 1 "+" {
				System.out.println(a+b);
			} System.out.println(a+b) System.out.println System.out System System.out a+b a b if(input[1].equals("-")){
				System.out.println(a-b);
			}else if(input[1].equals("*")){
				System.out.println(a*b);
			}else if(input[1].equals("/")){
				System.out.println(a/b);
			}else{break;} input[1].equals("-") input[1].equals input[1] input 1 "-" {
				System.out.println(a-b);
			} System.out.println(a-b) System.out.println System.out System System.out a-b a b if(input[1].equals("*")){
				System.out.println(a*b);
			}else if(input[1].equals("/")){
				System.out.println(a/b);
			}else{break;} input[1].equals("*") input[1].equals input[1] input 1 "*" {
				System.out.println(a*b);
			} System.out.println(a*b) System.out.println System.out System System.out a*b a b if(input[1].equals("/")){
				System.out.println(a/b);
			}else{break;} input[1].equals("/") input[1].equals input[1] input 1 "/" {
				System.out.println(a/b);
			} System.out.println(a/b) System.out.println System.out System System.out a/b a b {break;} break; String[] args args
import java.util.*;

class Main{
	public static void main(String[] args){
		Scanner scanner = new Scanner(System.in);
		while(scanner.hasNextLine()){
			String[] input = scanner.nextLine().split(" ");
			int a = Integer.parseInt(input[0]);
			int b = Integer.parseInt(input[2]);

			if(input[1].equals("+")){
				System.out.println(a+b);
			}else if(input[1].equals("-")){
				System.out.println(a-b);
			}else if(input[1].equals("*")){
				System.out.println(a*b);
			}else if(input[1].equals("/")){
				System.out.println(a/b);
			}else{break;}
		}
	}
}