dalex

const
    b: array[0..10] of longint = (0, 2, 2, 2, 2, 3, 0, 0, 0, 0, 0);

var
    a: array[0..10] of longint;
    x: longint;

begin
    while not seekeof do begin
        read(x);
        inc(a[x]);
    end;
    for x := 0 to 10 do begin
        if a[x] <> b[x] then begin
            writeln('WIN');
            halt;
        end;
    end;
    writeln('FAIL');
end.