import java.util.Scanner;
 
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        // 整数の入力
	String a = sc.nextLine();
	String b = "+";
	String c = "-";
	String takahashi1;
	String takahashi2;
	String result;
 
               if(b.equals(a)) {
            	System.out.print("+");
               }else(c.equals(a)) {
               	System.out.print("-");
               }
             }
           }