Write a C program to check a given number is even or odd usi

#include <stdio.h>
int evenodd(int n)
{
int even,odd;
    if (n%2==0)
    {
        return even ;
    }


    else
    {


        return odd;
    }
}


int main()
{
    int n,ans;
    scanf("%d",&n);
    ans= evenodd(n);
    printf("%d",ans);

    return 0;
}