如果一个渔夫从2011年1月1日开始每三天打一次鱼，两天晒一次网，编程实现当输入2011年1月1日以后的任意一天，输出该渔夫是在打鱼还是在晒网。-If a fisherman from January 1, 2011 started playing a fish every three days, two days bask in a network, programming as input after January 1, 2011 in any one day, the output is the fisherman fishing or in the net.