maxL([],_,_,AnsRow):-!,
write(AnsRow).
maxL([[A,B]|Rest],L,Row,_):-
L1 is log(A)*B,
L1>L,
!,
Row1 is Row+1,
maxL(Rest,L1,Row1,Row).
maxL([_|Rest],L,Row,AnsRow):-
Row1 is Row+1,
maxL(Rest,L,Row1,AnsRow).
main:-
see('pe99.txt'),
read(R),
seen,
maxL(R,0,1,0).