(dve==3){ f;}}if (dr (drun(;rur;)fu){if (dve==3){ f;}}if (dr (drun(;rur;)fu){if (dve==3){ f;}}if (dr (drun(;rur;)fu){if (dve==3){ f;}}if (dr (drun(;rur;)fu){if (dve==3){ f;}}if (dr (drun(;rur;)fu){if (dve==3){ f;}}if (dr (drun(;rur;)fu){if (dve==3){ f;}}if (dr (drun(;rur;)fu){if (dve==3){ f;}}if (dr (drenu -