Program for checking +ve number or -ve number

// Code is given below

#include<iostream>
using namespace std;

int main()
{
      float a;
      cout<<"enter a number = ";
      cin>> a;
      if ( a > 0 )
      {
        cout<<"number is +ve\n\n\n";
      }
      else if( a < 0 )
      {
      cout<<"number is -ve\n\n\n";
      }
      else
      {
      cout<<"number is zero\n\n\n";
      }
      return 0;

}