1)

program pr1;

var i:integer; n,n2,n3:real;

begin

for i:=1 to 3 do begin

  writeln('daite tzifru'); readln(n);

  if n in [1..3] then writeln('Prenodlejit intervalu') esle writeln('Ne prenodlejit intervalu');

 end;

readln;

end.

2)

program p2;

var i,c,cod,summa:integer; s:string;

begin

 writeln('daite tzivfru'); readln(s);

  for i:=1 to length(s) do

   begin

     val(s[i],c,cod); summa:=summa+c;

   end;

str(summa,s);

if length(s)>1 then writeln('Summa ne yavljaetsya odnoznachnim chislom: ',s) else

 writeln(Summa  yavljaetsya odnoznachnim chislom: ',s);

readln;

end.