找出所有三位数的幸运数对。所谓幸运数对是指差为3，且每个数的各位数字之和都能被6整除的一对数。例如189，192就是一对幸运数。-Find all three digits of the number of lucky. So-called lucky number refers to the difference of three, and each number is the sum of all the Numbers can be divided exactly by 6 a logarithm. Example 189,192 is a lucky number.