const
n=4;
var
a:array[1..n,1..n] of integer;
i,j,p:integer;
begin
for i:=1 to n do
begin
for j:=1 to n do
begin
a[i,j]:=random(40);
write(' ',a[i,j]:3);
end;
writeln();
end;
writeln('--------') ;
p:=1;
for i:=1 to n do
p:=p*a[i,n-i+1];
writeln('--------') ;
writeln(p);
end.