#include <stdio.h> int a,c;main(){for(;0<(c=getchar());)a=a?a:c%5?c%4?20:8:14,putchar(((64<c&&c<123&&c!=95))?((c|32)-97+a)%26+65+(c&32):c);}
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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