program ideone;
const N=10000;
var 
	a : array [1..N] of integer;
	sum, elcount, maxsum, i, k, j: integer;
begin
	maxsum:=0;
	sum:=0;
	elcount:=0;
	for i:=1 to N do begin
		readln(a[i]); 
		if (a[i] = 0) then begin elcount:=i-1; break; end
	end;
	for i:=1 to N-1 do begin
		for j:=i+1 to N do begin
			if (a[i]<a[j]) then begin sum:=a[j]-a[i]+sum; maxsum:=sum; end
				else sum:=0;
		end;
	end;
	writeln('Получено ', elcount, ' чисел');
	if (maxsum=0) then writeln('Наибольшая высота подъема: ', 0) else writeln('Наибольшая высота подъема - ', maxsum);
end.

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17
27
3
7
9
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10
0