编程从键盘输入一个正整数n，判断该数的奇偶性，若为奇数输出“odd”，若为偶数输出“even”

#include "stdio.h"

int main(void)
{
    int n = 0;

    printf("please input a number:");
    scanf_s("%d", &n);

    if (0 == n % 2)
        printf("even\n");
    else
        printf("odd\n");

    return 0;
}