文件名称:soft.stu
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题目：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。
-Topic: 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 use and the balance divided by 10 instead of the figures, then the first and fourth exchange, second and third exchange.
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。
-Topic: 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 use and the balance divided by 10 instead of the figures, then the first and fourth exchange, second and third exchange.
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