两个人轮流拿10个硬币,每次可拿1,2,4个,拿到最后一个的为输,问有无必胜条件?

Jeff and Diamond like playing game of coins,One day they

designed a new set of rules:

1)Totally 10 coins

2)One can take away 1,2or 4 coins at one time by turns

3)Who takes the last loses.

Given these rules Whether the winning status is pre-determined or not

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