After doing this program you assure that, how to use if and else condition in programs.
//program to check even or odd no:
#include<iostream.h>
#include<conio.h>
void main()
{
int no;
clrscr();
cout<<"enter no:-";
cin>>no;
//checking if no is divisible by two or not.
if(no%2==0)
{
cout<<"\n even no";
}
else
{
cout<<"\n odd no";
}
getch();
}