print( "'A' == 'B' ", 'A' == 'B' )
print( "'A' ~= 'B' ", 'A' ~= 'B' )
print( "'A' >  'B' ", 'A' >  'B' )
print( "'A' <  'B' ", 'A' <  'B' )
print( "'A' >= 'B' ", 'A' >= 'B' )
print( "'A' <= 'B' ", 'A' <= 'B' )