#include <fstream>
#include <iostream>
#include <cmath>

using namespace std;

int main()
{
    ifstream fin("DATA1.txt");
    ofstream fout("OUT1.txt");
    double input;
    for(int i=0;i<5;i++){
        fin>>input;
        fout<<floor(9000.0/input+0.5)<<endl;
    }
    return 0;
}