#include<iostream>
#include<iomanip>
using namespace std;
int main()
{

    int i;
    float total=0;
    for(i=0;i<5;i++) {
		 total=(total+1000)/(1+0.0063*12);  
	}                  
    cout<<fixed<<setprecision(2)<<total<<endl;

    return 0;
}

/**************************************************************
	Problem: 1262
	User: admin
	Language: C++
	Result: Runtime Error
****************************************************************/