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Functia Manna Pnueli recursiv
>
program manna_pnueli;
var x:integer;
function manna(x:integer):integer;
begin
if x>=12 then manna:=x-1
else
manna:=manna(manna(x+2));
end;
begin
write('x=');readln(x);
writeln(manna(x));
readln;
end.
{PascalZone.uv.ro} 