const k=100;
var
m:array[1..k] of integer;
i,kol:integer;
begin
randomize;
kol:=0;
for i:=1 to k do
begin
m[i]:=random(3)-2;
write(m[i]:2);
end;
for i:=1 to 98 do
begin
if (m[i]=0)and(m[i+1]=0) then kol:=kol+1;
end;
writeln;
writeln('dva idushih podryad nulevyh elem vstrch ',kol,' raz');
readln;
end.