/*****************************************************************************
*       Determines if an integer is an odd and/or even number.               *
*       Inputed: a, (one integers).                                          *
*       Outputed: (A statement concluding if it is odd and/or even).         *
*       Written: October 16, 2001                                            *
*       By: Ronald Roberts                                                   *
*****************************************************************************/

//Program 21
//16OCT01
#include <iostream.h>
#include <iomanip.h>
#include <math.h>
int main()
{
int a=0, b=0;
cout<<"Please enter a number:"<<endl;
cout<<" "<<endl;
cin>>a;
b=a%2;
if (b==0 && a!=0)
{
cout<<"Your number is an even number."<<endl;
}
if (a==0)
{
cout<<"0 is neither a even or odd number."<<endl;
}
if (b==1)
{
cout<<"Your number is an odd number."<<endl;
}
}

/* OUTPUT
Please enter a number:

23
Your number is an odd number.
*/