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UOJ

#210. E m a c s

统计
 __    __  .______    _______       ___   .___________. _______                                            
|  |  |  | |   _  \  |       \     /   \  |           ||   ____| _                                         
|  |  |  | |  |_)  | |  .--.  |   /  ^  \ `---|  |----`|  |__   (_)                                        
|  |  |  | |   ___/  |  |  |  |  /  /_\  \    |  |     |   __|                                             
|  `--'  | |  |      |  '--'  | /  _____  \   |  |     |  |____  _                                         
 \______/  | _|      |_______/ /__/     \__\  |__|     |_______|(_)                                        

.___________. __  .___  ___.  _______     __       __  .___  ___.  __  .___________.    __       _______.  
|           ||  | |   \/   | |   ____|   |  |     |  | |   \/   | |  | |           |   |  |     /       |  
`---|  |----`|  | |  \  /  | |  |__      |  |     |  | |  \  /  | |  | `---|  |----`   |  |    |   (----`  
    |  |     |  | |  |\/|  | |   __|     |  |     |  | |  |\/|  | |  |     |  |        |  |     \   \      
    |  |     |  | |  |  |  | |  |____    |  `----.|  | |  |  |  | |  |     |  |        |  | .----)   |     
    |__|     |__| |__|  |__| |_______|   |_______||__| |__|  |__| |__|     |__|        |__| |_______/      

  ______   .__   __.  _______         _______. _______   ______    .__   __.   ______   ____    __    ____ 
 /  __  \  |  \ |  | |   ____|       /       ||   ____| /      |   |  \ |  |  /  __  \  \   \  /  \  /   / 
|  |  |  | |   \|  | |  |__         |   (----`|  |__   |  ,----'   |   \|  | |  |  |  |  \   \/    \/   /  
|  |  |  | |  . `  | |   __|         \   \    |   __|  |  |        |  . `  | |  |  |  |   \            /   
|  `--'  | |  |\   | |  |____    .----)   |   |  |____ |  `----.   |  |\   | |  `--'  |    \    /\    /    
 \______/  |__| \__| |_______|   |_______/    |_______| \______|   |__| \__|  \______/      \__/  \__/     

.___________. __    __   _______ .__   __.         _______..______    __          ___   ____    ____       
|           ||  |  |  | |   ____||  \ |  |        /       ||   _  \  |  |        /   \  \   \  /   /       
`---|  |----`|  |__|  | |  |__   |   \|  |       |   (----`|  |_)  | |  |       /  ^  \  \   \/   /        
    |  |     |   __   | |   __|  |  . `  |        \   \    |   ___/  |  |      /  /_\  \  \_    _/         
    |  |     |  |  |  | |  |____ |  |\   |    .----)   |   |  |      |  `----./  _____  \   |  |           
    |__|     |__|  |__| |_______||__| \__|    |_______/    | _|      |_______/__/     \__\  |__|           

     ___      .__   __.  _______     .___________..______       _______     ___      .______               
    /   \     |  \ |  | |       \    |           ||   _  \     |   ____|   /   \     |   _  \              
   /  ^  \    |   \|  | |  .--.  |   `---|  |----`|  |_)  |    |  |__     /  ^  \    |  |_)  |             
  /  /_\  \   |  . `  | |  |  |  |       |  |     |      /     |   __|   /  /_\  \   |   ___/              
 /  _____  \  |  |\   | |  '--'  |       |  |     |  |\  \----.|  |____ /  _____  \  |  |                  
/__/     \__\ |__| \__| |_______/        |__|     | _| `._____||_______/__/     \__\ | _|                  

 __    __     .______          _______   ______     ______   .___  ___.  _______  _______      __   __     
|  |  |  |    |   _  \        |       \ /  __  \   /  __  \  |   \/   | |   ____||       \    |  | |  |    
|  |  |  |    |  |_)  |       |  .--.  |  |  |  | |  |  |  | |  \  /  | |  |__   |  .--.  |   |  | |  |    
|  |  |  |    |      /        |  |  |  |  |  |  | |  |  |  | |  |\/|  | |   __|  |  |  |  |   |  | |  |    
|  `--'  |    |  |\  \----.   |  '--'  |  `--'  | |  `--'  | |  |  |  | |  |____ |  '--'  |   |__| |__|    
 \______/     | _| `._____|   |_______/ \______/   \______/  |__|  |__| |_______||_______/    (__) (__)