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        | Time Limit | 
      
      
        Memory Limit | 
      
      
      
    
  
  
    
      
        | 1 second | 
      
      
        256 MiB | 
      
      
      
    
  
  
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Problem info
  
    
      
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	  There are no subtasks. This problem has 41 test cases.
	
 
      
    
    
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      This problem has a checker