#include<iostream> using namespace std; const int maxn=10005; int a[maxn]; int main() { int n; cin>>n; for(int i=1;i<=n;i++) cin>>a[i]; double sum=100.0; for(int i=1;i<=n-1;i++) if(a[i+1]<a[i]) sum=sum*a[i]/a[i+1]; printf("%.2lf\n",sum); return 0; }