/in/foo.cc: In function 'int main()':
/in/foo.cc:49:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(n == fuck_FBI[j])
       ~~^~~~~~~~~~~~~~
/in/foo.cc:49:22: warning: iteration 83 invokes undefined behavior [-Waggressive-loop-optimizations]
    if(n == fuck_FBI[j])
            ~~~~~~~~~~^
/in/foo.cc:47:27: note: within this loop
   for(register ll j = 0;j <= 84;j++)
                         ~~^~~~~