var a = 5
var b = 5

print a.bin_and(b) # 5
print a.bin_or(b)  # 5
print a.bin_xor(b) # 0

a = 0
b = 5

print a.bin_and(b) # 0
print a.bin_or(b)  # 5
print a.bin_xor(b) # 5