for-loop.c

#include <stdio.h>

int main(void)
{
    int a, b;

    if (scanf("%d %d", &a, &b) > 0)
    {
    }

    for (int i = a; i <= b; i++)
    {
        if (1 <= i && i <= 9)
        {
            switch (i)
            {
            case 1:
                printf("one\n");
                break;
            case 2:
                printf("two\n");
                break;
            case 3:
                printf("three\n");
                break;
            case 4:
                printf("four\n");
                break;
            case 5:
                printf("five\n");
                break;
            case 6:
                printf("six\n");
                break;
            case 7:
                printf("seven\n");
                break;
            case 8:
                printf("eight\n");
                break;
            case 9:
                printf("nine\n");
                break;
            }
        }
        else if (i > 9 && i % 2 == 0)
            printf("even\n");
        else if (i > 9 && i % 2 != 0)
            printf("odd\n");
    }

    return 0;
}