uses crt;function step(n:integer):integer; var p:integer; begin p:=2; repeat p:=p*2; n:=n-1; until n=1; step:=p; end;
vara,sum,n:integer;beginn:=3;repeatsum:=sum+step(n);n:=n+2;until n>9;write(sum);end.
uses crt;
function step(n:integer):integer;
var p:integer;
begin
p:=2;
repeat
p:=p*2;
n:=n-1;
until n=1;
step:=p;
end;
var
a,sum,n:integer;
begin
n:=3;
repeat
sum:=sum+step(n);
n:=n+2;
until n>9;
write(sum);
end.