#include <stdio.h>
 
int main() {
    double num;
 
    // รับค่าจำนวนจริงจากผู้ใช้
    printf("กรุณาใส่จำนวนจริง: ");
    scanf("%lf", &num);
 
    // ตรวจสอบว่าเป็นศูนย์
    if (num == 0) {
        printf("zero\n");
    }
    // ตรวจสอบว่าเป็นบวก
    else if (num > 0) {
        if ((int)num % 2 == 0) {
            printf("positive even\n");
        } else {
            printf("positive odd\n");
        }
    }
    // ตรวจสอบว่าเป็นลบ
    else {
        if ((int)num % 2 == 0) {
            printf("negative even\n");
        } else {
            printf("negative odd\n");
        }
    }
 
    return 0;
}
 
 

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