#include<iostream>
#include<fstream>
#include<math.h>
using namespace std;

int main()
{    
    fstream inFile,outFile;
    inFile.open("DATA1.txt",ios::in);
    outFile.open("OUT1.txt",ios::out|ios::trunc);
    //-------------
    char c[7];
    int n;
    for(int i=0;i<5;i++)
    {
            inFile>>c;
            n=atoi(c);
            n=(int)(n/0.693f);
            n=n%1000>0?(n/1000+1)*1000:n;
            outFile<<n<<endl;
    }
    //-------------
    inFile.close();
    outFile.close();
    return 0;
}