how to difference between even and odd number in c++ programming

how to differentiate between even and odd number in c++ programming:
1 variable= n
condition of even numbers = n%2==0

Try it on your IDE.

#include<iostream>
using namespace std;
int main()
{
int n;
cout<<"enter a no="<<endl;
cin>>n;
if(n%2==0)
cout<<"even number"<<endl;
else
cout<<"not an even number"<<endl;
return 0;
}