#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;
int main(){


  int a, n;
 float b;

 srand( static_cast<unsigned int>(time(NULL)) );;



 a = rand()%3001;
 b = (float)a / 100;

 cout<< b << endl ;


 return 0 ;
}