* Step 1: Sum WORST_CASE(?,O(n^1))
    + Considered Problem:
        - Strict TRS:
            even(0()) -> S(0())
            even(S(x)) -> odd(x)
            odd(0()) -> 0()
            odd(S(x)) -> even(x)
        - Signature:
            {even/1,odd/1} / {0/0,S/1}
        - Obligation:
            innermost runtime complexity wrt. defined symbols {even,odd} and constructors {0,S}
    + Applied Processor:
        Sum {left = someStrategy, right = someStrategy}
    + Details:
        ()
* Step 2: Bounds WORST_CASE(?,O(n^1))
    + Considered Problem:
        - Strict TRS:
            even(0()) -> S(0())
            even(S(x)) -> odd(x)
            odd(0()) -> 0()
            odd(S(x)) -> even(x)
        - Signature:
            {even/1,odd/1} / {0/0,S/1}
        - Obligation:
            innermost runtime complexity wrt. defined symbols {even,odd} and constructors {0,S}
    + Applied Processor:
        Bounds {initialAutomaton = minimal, enrichment = match}
    + Details:
        The problem is match-bounded by 1.
        The enriched problem is compatible with follwoing automaton.
          0_0() -> 2
          0_1() -> 1
          0_1() -> 3
          S_0(2) -> 2
          S_1(3) -> 1
          even_0(2) -> 1
          even_1(2) -> 1
          odd_0(2) -> 1
          odd_1(2) -> 1
* Step 3: EmptyProcessor WORST_CASE(?,O(1))
    + Considered Problem:
        - Weak TRS:
            even(0()) -> S(0())
            even(S(x)) -> odd(x)
            odd(0()) -> 0()
            odd(S(x)) -> even(x)
        - Signature:
            {even/1,odd/1} / {0/0,S/1}
        - Obligation:
            innermost runtime complexity wrt. defined symbols {even,odd} and constructors {0,S}
    + Applied Processor:
        EmptyProcessor
    + Details:
        The problem is already closed. The intended complexity is O(1).

WORST_CASE(?,O(n^1))