2. 20 11 8 20 16 3 12 11 25 25 8 11 25 19 8
3. 6 9 7 6 8 13 8 11 25 13 8 11 25 21 8 11
16 7 11 25 25 8
Three sentences
A very simple problem of cryptography
This mail is to be kept secret
Last I wish you a good high school
This is a trumpet
I guess you don't know who i am
But you know I'm going to do such a boring thing
Remember to keep it secrecy
Hope there will be a chance to see you again
BYE
2018/2/20
20:05
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