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#include <iostream>
#include <cmath>
using namespace std;
int main()
{float x,y1,y2;
int n;
cout<<"enter a number:";
cin>>x;
cout<<"enter an integer:";
cin>>n;
y2=x;
do
{y1=y2;
y2=((n-1)*y1+x/pow(y1,n-1))/n;
}  while (fabs(y2-y1)>=1e-5);
cout<<y2<<endl;
return 0;
}
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