uses crt;
const n=10;
var a,b:array[1..n] of integer;
i,j,s,k:integer;
sr:real;
begin
ClrScr;
Randomize;
for i:=1 to n do
begin
a[i]:=random(20)-10;
Write(a[i],' ');
end;
Writeln;
s:=0;
for i:=1 to n do
s:=s+a[i];
sr:=s/n;
Writeln('Sr=',sr:0:1);
for i:=1 to n do
if a[i]>sr then
begin
inc(k);
b[k]:=a[i];
end;
Writeln('Mass B: ');
for i:=1 to k do
Write(b[i],' ');
Writeln;
Writeln('Mass B(obr): ');
for i:=k downto 1 do
Write(b[i],' ');
Readln;
end.