pure math
! t9 K7 a+ Q& w8 B* Atvb now,tvbnow,bttvb
' `+ x$ c8 a. J) n* O/ n( M[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y/ E8 |7 ]0 S1 e$ l
tvb now,tvbnow,bttvb$ F% o" D9 q K2 r1 o/ i" S8 m+ H0 I
if x = 111 y = 2222, you number is 111-2222 |