import java.io.*;

class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		boolean end=false;
		while(!end){
			String[] array = br.readLine().split(" ");
	        int a = Integer.parseInt(array[0]);
	        int b = Integer.parseInt(array[2]);
	        switch(array[1].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;
	        default:
	        	end=true;
	        	break;
	        }
		}
	}
} import java.io.*; io.* java class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		boolean end=false;
		while(!end){
			String[] array = br.readLine().split(" ");
	        int a = Integer.parseInt(array[0]);
	        int b = Integer.parseInt(array[2]);
	        switch(array[1].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;
	        default:
	        	end=true;
	        	break;
	        }
		}
	}
} Main public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		boolean end=false;
		while(!end){
			String[] array = br.readLine().split(" ");
	        int a = Integer.parseInt(array[0]);
	        int b = Integer.parseInt(array[2]);
	        switch(array[1].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;
	        default:
	        	end=true;
	        	break;
	        }
		}
	} main {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		boolean end=false;
		while(!end){
			String[] array = br.readLine().split(" ");
	        int a = Integer.parseInt(array[0]);
	        int b = Integer.parseInt(array[2]);
	        switch(array[1].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;
	        default:
	        	end=true;
	        	break;
	        }
		}
	} BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) boolean end=false; end false while(!end){
			String[] array = br.readLine().split(" ");
	        int a = Integer.parseInt(array[0]);
	        int b = Integer.parseInt(array[2]);
	        switch(array[1].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;
	        default:
	        	end=true;
	        	break;
	        }
		} !end end {
			String[] array = br.readLine().split(" ");
	        int a = Integer.parseInt(array[0]);
	        int b = Integer.parseInt(array[2]);
	        switch(array[1].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;
	        default:
	        	end=true;
	        	break;
	        }
		} String[] array = br.readLine().split(" "); array br.readLine().split(" ") br.readLine().split br.readLine() br.readLine br " " int a = Integer.parseInt(array[0]); a Integer.parseInt(array[0]) Integer.parseInt Integer array[0] array 0 int b = Integer.parseInt(array[2]); b Integer.parseInt(array[2]) Integer.parseInt Integer array[2] array 2 switch(array[1].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;
	        default:
	        	end=true;
	        	break;
	        } array[1].charAt(0) array[1].charAt array[1] array 1 0 case '+': '+' case '+': System.out.println(a+b) System.out.println System.out System System.out a+b a b break; case '-': '-' case '-': System.out.println(a-b) System.out.println System.out System System.out a-b a b break; case '*': '*' case '*': System.out.println(a*b) System.out.println System.out System System.out a*b a b break; case '/': '/' case '/': System.out.println(a/b) System.out.println System.out System System.out a/b a b break; default: default: end=true end true break; String[] args args
import java.io.*;

class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		boolean end=false;
		while(!end){
			String[] array = br.readLine().split(" ");
	        int a = Integer.parseInt(array[0]);
	        int b = Integer.parseInt(array[2]);
	        switch(array[1].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;
	        default:
	        	end=true;
	        	break;
	        }
		}
	}
}