#include <bits/stdc++.h>
using namespace std;

int main() {
  int n;
 
  
 
  cin >> n>; 
  int A[n];
  for(int i=0;i<n;i++){
  cin >> A[i];
  }
  int have =1000;
  int kabu =0;
  for(int i=0;i<n-1;i++){
  if(A[i]<=A[i+1]){
    kabu = have/A[i];
    have %= A[i];
  }else if(A[i]>A[i+1]){
    have += kabu * A[i];
    kabu =0;
  }
  }
  
    
  
   
  
  
}
