{"trustable":false,"sections":[{"title":"","value":{"format":"MD","content":"哥德巴赫猜想说的是,任意一个大于4的偶数,都可以分解为两个奇质数的和。现在给你一个偶数,你算出它由哪两个质数的和组成"}},{"title":"Input","value":{"format":"MD","content":"有多组输入,每行一个n,n是大于4小于1000000的偶数,输入0表示结束输入\n"}},{"title":"Output","value":{"format":"MD","content":"对于每组输入的n,计算并输出一行 `n \u003d a + b`,其中a与b都是奇质数,且a小于等于b,输出注意空格分隔,行末不要有多余空格。如果有多于一种分解方式,只输出a最小的那组解就行了\n"}},{"title":"Sample Input","value":{"format":"MD","content":"```text\n8\n20\n42\n0\n```"}},{"title":"Sample Output","value":{"format":"MD","content":"```text\n8 \u003d 3 + 5\n20 \u003d 3 + 17\n42 \u003d 5 + 37\n```"}}]}