begin
  integer a,b,c

  a = 123
  b = 234
  c = 345

  a = +123
  a = -123
  a = ~123

! a = b+c
! a = b-c
  a = b*c
! a = b//c
  
! a = b^^c
  
! a = b<<c
! a = b>>c

  a = b!c
  a = b!!c
  a = |b|

! a = b&c

  a = b if a = b
  a = b if a # b
  a = b if a > b
  a = b if a < b
  a = b if a <= b
  a = b if a >= b

endofprogram