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