27 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 4 9 4 10 4 11 4 12 4 13 4 14 5 15 10 500 10 501 60 0 60 10 60 100 60 1000 60 10000 60 20000000000000000 60 18472984746383927 60 17463838446438387 60 38384782847838471