this interactive problem remember flush output communicating testing program you use fflushstdout c systemoutflush Java stdoutflush Python flushoutput pascal flush output if use programming language consult documentation you refer guide interactive problem httpscodeforcescomblogentry45307the jury guess array consist 6 integer there 6 special number 4 8 15 16 23 42 number occur exactly permutation numbersyou do not know order allow ask 4 query in query choose index j 1 le j le 6 j necessarily distinct value a_i cdot a_j returnCan guess array aThe array fix test interaction program do not try adapt query