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。-The adoption of a public telephone to transfer data, the data is an integer of four, and in the transfer process is encrypted, encryption rules are as follows: Each figures plus 5, and then divided by 10, the remainder in place of the numbers, then The first and fourth exchange, the second and third exchange.