C/C++ Program to find a given number is even (or) odd.

// Program to find a given number is even (or) odd.
#include<iostream>
using namespace std;
int main()
{
int n,i,is_even=0;
cout<<"\n enter a number"<<endl;
cin>>n;
for(i=2;i<n;i++)
{
if(n%2==0)
    is_even=1;
}
if(is_even)
cout<<n<<" is an even"<<endl;
else
cout<<n<<" is an odd"<<endl;
return 0;
}