* Title:Solution for Music Class
* Designer:jf
* Type:Solution
* Follows:puzuvom
* Physics:2
(                                                ,
!                  (                              
(                  ============================== 
!                                                 
(                                                 
!                                                 
(                                                 
!                                                 
(               ,  ,                              
 !!!!!!!f        (                                
 NNNNNNdN=       =M>>>>>>>>>>>>>>>>>>>>>>>>       
 !!!!!(e          M                               
 NNNNbNNN=        M                               
 !!!(c            M                               
 NN6NNNNN=        M                               
 !(a              M                               
=eNNNNNNN,        M                               
(f                M                               
WNNNNNNNNWWWWW===,M,  ,                           
                  )=  =(                  ,       
>>>>>>>>>>>>>>>>>>g    WWWWW=======WWWW\          
             gggggg    WWWWW       WWWW M=        
             ggggg/    WWWWW       WWWW=          
             gggg/     WWWWW       WWWW <<<<      
             ggg/      WWWW        WWW            
             gg/       WWW T       WW T           
         =    /        WW Tf       W Te           
             <         W Td=        Tc=       NNNN
                        Tb=        Ta=        NKxV
                       T6=         f=         NA~F
                       e=          =          N