n=763;
expr_str=["(","(","(","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")","+","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")",")","*","(","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")","+","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")",")",")","+","(","(","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")","+","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")",")","*","(","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")","+","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")",")",")",")","*","(","(","(","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")","+","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")",")","*","(","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")","+","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")",")",")","+","(","(","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")","+","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")",")","*","(","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")","+","(","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")","*","(","(","(","+",")","*","(","+",")",")","+","(","(","+",")","*","(","+",")",")",")",")",")",")",")"];