A Fibonacci sequence is calculated by adding the previous two members the sequence, with the first two members being both 1.F(1) = 1, F(2) = 1, F(3) = 1,F(4) = 1, F(n>4) = F(n – 1) + F(n-2) + F(n-3) + F(n-4)Your task is to take a number as input, and print that Fibonacci number.
，真正的爱，应该超越生命的长度心灵的宽度灵魂的深度
