def lone_sum(a, b, c): if a >= b: return c elif a == c: return b elif b == c: return a elif a == b and a == c and b == c: return 0 else: return a+b+c if_name_ == 'main': x = int(input()) y = int(input()) z = int(input())
result = lone_sum(x, y, z) print("Input: " + str {x} + ", " + str(y) + ", " + str(z)) print("result: " + str(result))
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