const
n=10;
var
i:integer;
a,b:array[1..n] of integer;
begin
for i:=1 to n do
begin
a[i]:=random(20);
write(' ',a[i]:3);
end;
writeln();
writeln('-------');
for i:=1 to n-1 do
b[i]:=abs(a[i]+a[i+1]);
for i:=1 to n-1 do
write(b[i],' ');
writeln('-------');
for i:=1 to n do
write(' ',b[i]:3);
writeln();
end.