output_description: Print the answer.
  
  Note that the answer may not fit into a 32-bit integer.
  
  * * *
input_description: The input is given from Standard Input in the following format:
  
      
      
      N
      a_1 a_2 ... a_N
attempt: 1 / (not " " in input())
  1 / (not "  " in input())
  
problem_description: Statement
  
  One day, Snuke was given a permutation of length N, a_1, a_2, ..., a_N, from
  his friend.
  
  Find the following:
  
  ![](https://atcoder.jp/img/agc005/520049e1a049bb9810b398b35d7dcb7f.png)
samples: [{"input": "3\n    2 1 3", "output": "9\n    \n\n* * *"}, {"input": "4\n    1 3 2 4", "output": "19\n    \n\n* * *"}, {"input": "8\n    5 4 8 1 2 6 7 3", "output": "85"}]