# Code your solution here
x = 'Hello'
y = 'World!'
z = 3

STR_ARITHMETIC = 2
df65ebb3a8e0f7ad7cf60a828b48c031bc51f35a
<mask token>

x = 'Hello'
y = 'World!'
z = 3
STR_ARITHMETIC = 2

# Code your solution here
x = 'Hello'
y = 'World!'
z = 3

STR_ARITHMETIC = 2