        :
         ,   
 -  .    0.

         ,
  -  .

      1000.   -  
4- .

:

 1
   input.txt                         output.txt              
2 2 7 3 3 5 1 0                      2 27 351                              

 2
   input.txt                         output.txt              
1 1 0                                1 1                                    

 3
   input.txt                         output.txt              
4 1 2 3 4 2 4 3 0                    2 1234 43                              


