// carot15
#include<bits/stdc++.h>
using namespace std;
long double S1(long double n){
 long double t=0, e=0;
 for (int i=1;i<=n;i++){
  e+=(long double)(i);
  t+=(long double)(1.0/e);
 }
 return t;
}
long double S2(long double n){
 long double t=0;
 for (int i=1;i<=n;i++)
  t+=pow(i,i);
 return t;
}
long double S3(long double x,long double n){
 long double t=0, e=0, x1=x;
 for (int i=1;i<=n;i++){
  e+=(long double)(i);
  t+=(long double)(x/e);
  x*=x1;
 }
 return t;
}
long double S4(long double x,long double n){
 long double t=0, e=1, x1=x;
 for (int i=1;i<=n;i++){
  e*=(long double)(i);
  t+=(long double)(x/e);
  x*=x1;
 }
 return t;
}
long double S5(long double x,long double n){
 long double t=0, e=1, x1=x;
 for (int i=1;i<=n*2+1;i+=2){
  t+=(long double)(x/e);
  x*=x1*x1;
  e*=(long double)(i+1)*(i+2);
 }
 return t;
}
int main(){
 long double n,x;
 cin>>x>>n;
 cout<<fixed<<setprecision(2)<<S1(n)<<'\n';
 cout<<fixed<<setprecision(1)<<S2(n)<<'\n'<<
  S3(x,n)<<'\n'<<S4(x,n)<<'\n'<<S5(x,n)<<'\n';
}