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.nextInt();
            String b = "+";
            String c = "-";
            Integer takahashi1;
            String takahashi2;
            String result;

               if(b.equals(a)) {
            	System.out.print("+");
               }else if(c.equals(a)) {
               	System.out.print("-");
               }


            }
               }

