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

#define LAMBDA 1
#define RAND_NUM 10000


int main(int argc, char *argv[] )
{
  int i;
  double x,y;

  srand(time(NULL));
  i=0;
  while(RAND_NUM>i){  
    x=-log((double)rand()/RAND_MAX)/LAMBDA;
    cout<<x<<endl;
    i++;
  }
  return 0;
}