#include<iostream>//1 1 2 3 5 8 13 21 34 55 89 using namespace std; int main() { int n; cin>>n; int a[100]={}; a[0]=1; a[1]=1; for(int i=3;i<=10;i++){ a[i]=a[i-1]+a[i-2]; } cout<<a[i]<<endl; return 0; }