program hh; uses crt;
const n=4;
var a:array[1..n] of integer;
b:array[1..n] of integer;
i,j:integer; p,s:integer;
Begin
clrscr;
randomize;
for i:=1 to n do begin
a[i]:=random(20)-10;
write(a[i]:7); end;
writeln;
for i:=1 to n do
if i<=10 then b[i]:=a[i]+i else b[i]:=a[i]-i;
writeln('---------------------');
for i:=1 to n do begin
write(b[i]:7); end;
writeln;
end.