var
a : Array [1..5] of integer;
b , i : integer;
begin
b:=0;
for i:= 1 to 5 do
a[i] := 2 * i - 1;
b := b + a[i] ;
end;
writeln((b/5));
end.
var
a : Array [1..5] of integer;
b , i : integer;
begin
b:=0;
for i:= 1 to 5 do
begin
a[i] := 2 * i - 1;
b := b + a[i] ;
end;
writeln((b/5));
end.