public class Grille {
  public static void main(String[] args) {
  int n = Integer.parseInt(args[0]);
  for(int i = 0 ; i<n ; i++){
  	for(int j = 0 ; j<n ; j++){
  		if(i%2==0){
  			System.out.print("+-");
  		}else{
  			System.out.print("| ");
  		}
  	}
  	if(i%2==0){
  		System.out.println("+");
  	}else{
  		System.out.println("|");
  	}
  }
  for(int j = 0 ; j<n ; j++){
  		System.out.print("+-");
  }
  System.out.println("+");
  }
}