某个公司采用公用电话传递数据，数据是四位的整数，在传递过程中是加密的，加密规则如下：每位数字都加上5,然后用和除以10的余数代替该数字，再将第一位和第四位交换，第二位和第三位交换。-Using a public telephone transmission of data, integer data is four, in the transmission process is encrypted, encryption rules are as follows: each number plus 5, and then divided by 10 instead of the remainder of the figures, then the first one and fourth exchange, the second and third exchange.