#include<stdio.h>
int main(void)
{
char key[] = "A52A2245332A252B435B2222A2B2A2A23A2C32A3B5B2222A52B43532A2352C23A52A2246D2A3533B35K2A4D22A3224A45D2C25B2A32A5D2C25D4A26C4A1";
char *p = key;
int i, c, b = 1;
while(*p)
{
c = 0;
for(i = 0; i < 8; i++)
{
if(*p == '0')
{
if(!*++p)
break;
b = !b;
}
c <<= 1;
c += b;
if((*p)-- == 'A')
*p = '0';
if(*p >= 'A')
b = !b;
}
if(c)
putchar(c);
}
return 0;
}