package test;
import java.io.*;
public class Test {
    public static void main(String[] args) throws IOException {
	
	
        BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
		
		
        String line = in.readLine();
        int N = Integer.parseInt(line);
		
		
        boolean[] mas = new boolean[N];
		
		
        String line2 = in.readLine();
        int K = Integer.parseInt(line2);
		
		
        for(int x = 0; x < N; x++){
            mas[x]=false;
        }
		
		
        for(int z = 0; z < K; z++){
            String line1 = in.readLine();
            int P = Integer.parseInt(line1);
            for(int i = P - 1; i < N; i = i + P){
                if (mas[i] == false) {
                    mas[i]=true;
                }
                else mas[i] = false;
            }
        }
		
		
        for(int l = 0; l < N; l++){
            if(mas[l]==true){
                System.out.println("+");
            }
            else System.out.println("-");
        }
    }
}