#include <cstdio> int main() { int weight; scanf("%d", &weight); if (weight & 1 || weight <= 2) // 按位与可以判断奇偶,至于怎样判断,请看我的博客 puts("NO, you can't divide the watermelon into two even parts."); else puts("YES, you can divide the watermelon into two even pa...