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program Ch1;
{$mode objfpc}
uses
SysUtils, Math, GVector;
type
TVec = specialize TVector<Integer>;
var
I:Integer;
Vec:TVec;
function IsPrime(N:Integer):Boolean;
var
I:Integer;
begin
if(N <= 1) then Exit(False);
for I := 2 to Trunc(Sqrt(N)) do
if(N mod I = 0) then Exit(False);
Result := True;
end;
function SumDigits(N:Integer):Integer;
var
Sum:Integer;
begin
Sum := 0;
while N <> 0 do
begin
Sum := Sum + N mod 10;
N := N div 10;
end;
Result := Sum;
end;
function AdditivePrimes:TVec;
var
I:Integer;
Vec:TVec;
begin
Vec := TVec.Create;
for I := 0 to 100 do
if((IsPrime(I)) and (IsPrime(SumDigits(I)))) then
Vec.PushBack(I);
Result := Vec;
end;
begin
Vec := AdditivePrimes;
for I := 0 to Vec.Size-1 do Write(Vec[I], ' ');
FreeAndNil(Vec);
end.
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