program fantscrin;
const n = 15;
var a: array [1..n] of integer;
i:integer;
Begin
for i:=1 to n do
a[i]:= random(100)+10;
for i:=1 to n do
write(a[i], ' ');
writeln('');
for i:=1 to n do
if (i mod 2 = 0) then a[i]:=a[i]*2;
for i:=1 to n do
write(a[i], ' ');
End.