#include <iostream>
#include <stdlib.h>
#include <string.h>
#include <math.h> 

using namespace std;
int fact(int n){
  int i,ans;
  ans=1;
  for(i=1;i<=n;i++){
    ans=ans*i;
  }
  return ans;
}
int main(int argc, char *argv[] ){
  //calculated the factorial
  int X,ans;
  int maxX=10;
  double mu,poi[2][20];
  if(argc>1){
    mu=atof(argv[1]);
  }
  else{
    mu = 1;
  }
  for(X=0;X<maxX;X++){
    poi[0][X]=X;
    poi[1][X]=pow(mu,X)*exp(-mu)/fact(X);
  }
  for(X=0;X<maxX;X++){
    cout << poi[0][X]<< "\t"<< poi[1][X] << endl;
  }
  return 0;
}