84
DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP + DUP DROP