/print 2+6   "\n"
/print 2*6   "\n"
/print 6*2   "\n"
/print 2+6*2 "\n"
/print 6*2+2 "\n"
/print 6*2-2 "\n"
/print 6-2-2 "\n"
/print 6-2*2 "\n"
/print 6&1 "\n"
/print 6|1 "\n"
/print 21%7 "\n"
/print 21/7 "\n"
if(2*3 == 6)
    /print "true"
else
    /print "false"
endif
/print "\n"