Which expression for the spot YYY will result in an output of "Pass" only if x is exactly $32?$

if YYY:

print$(\text{'}$Pass$\text{'})$

else:

print$(\text{'}$Fail$\text{'})$

a$.$

x $==32$

b$.$

x $>=32$

c$.$

x $<=32$

d$.$

x $!=32$