HS08TEST Getting runtime error

y=“Initial_Balance”
y=float(input(">"))
x=“Transaction”
x=int(input(">"))
if (x%5)==0 and y>=(0.5+x):
z=y-x-0.5
print(’%.2f’z) else: print('.2f’%y)

What is wrong in the code?
It shows runtime error everytime.

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