#include <stdio.h>
#include <stdlib.h>

int main()
{
    int a;
    printf("Please give me a number: ");
    scanf ("%i",&a);

    //while ( a >= 1)
    //{
        //a = a-1;
        //printf("%i\n",a);
    //}
    for (a>0 ; a>=0 ; a = a-1)
    {
        printf("%i\n",a);
    }
    for (a<0 ; a<=0 ; a = a+1 )
    {
        printf("%i\n",a);
    }
    return 0;
}