#include <stdio.h>
int swapeven(int *a,int n);

main()
{
    int n,*iter,c;
    int a[20];
    scanf("%d", &n);
    for (iter=a; iter<a+n; iter++)
        scanf("%d", iter);
    swapeven(a,n);
    if (!swapeven(a,n))
    {
        printf("number evens is lesser");
    }
    else
    {
        for (iter=a; iter<a+n; iter++)
            printf("%d ", *iter);
    }
}

int swapeven(int *a,int n)
{
    int *even1;
    int *even2;
    int *c, nullptr,*iter;
    even1 = nullptr;
    even2 = nullptr;
    for (iter=a; iter<a+n; iter++)
    {
        if (*iter%2==0)
            even1 = iter;
    }
    c = even1;
    for (iter=a; iter<a+n; iter++)
    {
        if (*iter%2==0)
            even2 = iter;
    }
    *even1 = *even2;
    *even2 = c;

}