#include #include int main(int argc, char **argv) { int i,a,x,len; char buf[BUFSIZ]; char out[BUFSIZ]; len=read(0,buf,BUFSIZ)-2; len/=2; i=1; while(buf[i]!='\"') { a=buf[i]<<3; a^=buf[i+len]; out[i-1]=a; i++; } write(1,out,len); return 0; }