Letter Shifter Encryption Program

[I3han]

This program can Encrypt and decrypt sentences by shifting letters

1. The first user has to enter the shifting number
2. Select the function

1. Encrypt
2. Decrypt
3. Close

3. Message that needs to process
4. Output received

For example on Encryption, the used shifting number is 4

Input a encryption shift value : 4
Select the Option 
1. Encrypter (Enter 1)
2. Decrypter(Enter 2)
3. To Close(Enter 0)
1
Enter the message you want to Encrypt
ishan
Encrypted message: mwler