Program n1;
const n=200;
var a: array [1..n] of integer;
i,sum,k: integer;
begin
randomize;
sum:=0;
writeln('массив: ');
for i:=1 to n do
begin
a[i]:=random(61)+20;
write(a[i],' ');
end;
for i:=1 to n do if a[i]>50 then
begin
sum:=sum+a[i];
k:=k+1;
end;
writeln;
writeln('ср. арифм: ',sum/k);
end.