uses crt;
var a:array[1..100] of integer;
n,i,j,k,t:integer;
begin
clrscr;
randomize;
write('n=');readln(n);
writeln('Ishodnyj massiv:');
for i:=1 to n do
begin
a[i]:=random(10);
write(a[i],' ');
end;
writeln;
i:=1;
while i<=n do
begin
k:=0;
for j:=i to n do
if a[j]=a[i] then k:=k+1;
if k>3 then
begin
j:=i;
t:=a[i];
while j<=n do
if a[j]=t then
begin
for k:=j to n-1 do
a[k]:=a[k+1];
n:=n-1;
end
else j:=j+1;
end
else i:=i+1;
end;
writeln('Ostalos=',n);
writeln('Ostalis:');
for i:=1 to n do
write(a[i],' ');
readln
end.