var n, i, s: integer; begin readln(n); i := 100; while (i <= 999) do begin if (i mod 10 + i div 10 mod 10 + i div 100 = n) then inc(s); i := i + 1; end; writeln(s);
s := 0; i := 100; repeat if (i mod 10 + i div 10 mod 10 + i div 100 = n) then inc(s); i := i + 1; until (i = 999); writeln(s); end.
n, i, s: integer;
begin
readln(n);
i := 100;
while (i <= 999) do
begin
if (i mod 10 + i div 10 mod 10 + i div 100 = n) then
inc(s);
i := i + 1;
end;
writeln(s);
s := 0;
i := 100;
repeat
if (i mod 10 + i div 10 mod 10 + i div 100 = n) then
inc(s);
i := i + 1;
until (i = 999);
writeln(s);
end.