(GOAL COMPLEXITY)
(STARTTERM CONSTRUCTORBASED)
(VAR x1 x2 x3 x4 x5 )
(STRATEGY INNERMOST)
(RULES 
        f(s(x1), x2, x3, x4, x5) -> f(x1, x2, x3, x4, x5)
        f(0, s(x2), x3, x4, x5) -> f(x2, x2, x3, x4, x5)
        f(0, 0, s(x3), x4, x5) -> f(x3, x3, x3, x4, x5)
        f(0, 0, 0, s(x4), x5) -> f(x4, x4, x4, x4, x5)
        f(0, 0, 0, 0, s(x5)) -> f(x5, x5, x5, x5, x5)
        f(0, 0, 0, 0, 0) -> 0
        
)