import java.io.*;

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