*******************************************

        Input data file [A.txt] 

            本文　p.20 参照

　　　２の32乗＝42 9496 7296  から

　　  ２の64乗＝(42 9496 7296) x (42 9496 7296) 

                                 を計算します。

 *******************************************

      A[ ] = 42 9496 7296            

      B[ ] = 4 294 967 296             

 *******************************************


*****************************************************

           Output data File = [B.txt]       

*****************************************************

*****************************************************

                 C[ ] = A[ ] + B[ ]       

*****************************************************

   KA = 10

 A[ ] =  42 9496 7296 

   KB = 10

 B[ ] =  42 9496 7296 

   KC = 10

 C[ ] =  85 8993 4592 

*****************************************************

            A[ ]*B[KK]  for KK=1 to KB    

*****************************************************

  A[ ]*4 =  17179869184

    D[1] =  17179869184

  A[ ]*2 =    8589934592

    D[2] =  180388626432

  A[ ]*9 =    38654705664

    D[3] =  1842540969984

  A[ ]*4 =     17179869184

    D[4] =  18442589569024

  A[ ]*9 =      38654705664

    D[5] =  184464550395904

  A[ ]*6 =       25769803776

    D[6] =  1844671273762816

  A[ ]*7 =        30064771072

    D[7] =  18446742802399232

  A[ ]*2 =          8589934592

    D[8] =  184467436613926912

  A[ ]*9 =          38654705664

    D[9] =  1844674404793974784

  A[ ]*6 =           25769803776

   D[10] =  18446744073709551616

*****************************************************

   KD = 20

 D[ ] = A[ ] x B[ ] =  1844 6744 0737 0955 1616 

*****************************************************