text: /**
   *
   * Author:  Juarez Paulino(coderemite)
   * Email: juarez.paulino@gmail.com
   *
   */
  #include <cstdio>
  
  using namespace std;
  
  int N;
  
  int main() {
  
      char B[5] = " \_/";
      int S;
  
      while (1) {
          scanf("%d", &N);
          if (N == -1) break;
          S = 4*N - 1;
  
      }
  
      return 0;
  }
  