#include <sstream>
#include <fstream>
#include <iostream>
#include <math.h>


 
using namespace std;

ifstream in ("DATA1.txt");
ofstream out ("OUT1.txt");

int main ()
{
    freopen ("DATA1.txt", "r", stdin);
    freopen ("OUT1.txt", "w", stdout);
  
    for (int ab= 0; ab<5; ab++)
    {
        double a; 
        in >> a;
        
        cout <<ceil (a/693)*1000 <<endl;
        
    }
}