 "  "
       NxM. 
      .    , 
,    (11),    
(      ).    
   ,     .

 .   INPUT.TXT   N, M. (1<=N,M<=30)
 .   OUTPUT.TXT      
  ,   . 
     1  N   X, 
 1  M   Y.

  :
2 2

  :
1 1 
2 1
2 2
1 2

