#include/*tokigun*/<stdio.h>
int p,q;int main(int i,char*
*j){if(i-2)printf("Usage:\n\
\t%s e < plain > binary\n\t\
%s d < binary > plain\n",*j,
*j);else if(**++j==100)while
(~(i=getchar()))for(p=128;p;
p/=2)putchar(i&p?49:48);else
if(**j==101){while(~(i=getc\
har())){if((i|1)==49){p=2*p+
i%2;if(++q>7){putchar(p);p=q
=0;}}}q&&putchar(p<<8>>q|255
>>q);}/*20050108*/return 0;}