肝帝行为未满1145114岁禁止独立观看

#include<iostream>
using namespace std;
int main() {
	int n;
	scanf("%d",&n);
	int a[41]={1,1,1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,1597,2584,4181,6765,10946,17711,28657,46368,75025,121393,196418,317811,514229,832040,1346269,2178309,3524578,5702887,9227465,14930352,24157817,39088169,63245986,102334155};
	printf("%d",a[n]);
	return 0;
}