program ideone;
var
arr:array[1..100] of integer;
i: integer;
begin
(* your code goes here *)
arr[1] := 6;
arr[2] := 6;
arr[3] := 6;
arr[4] := 6;
for i:=5 to 60 do
begin
arr[i] := arr[i-1] + arr[i-4];
writeln(arr[i]);
end;
end.
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