printf("三天打鱼，两天晒网计算\n一个人每年第一天总是打鱼 后面都是三天打鱼两天晒网\n问某年某月某日是打鱼还是晒网？\n");
　　int y=0,m=0,d=0;
　　printf("请输入年.月.日（如 2017.8.15）：");(Printf ("three days to catch fish, two days to catch nets" \n, a person always fish on the first day of the year, three days after fishing, two days of drying nets, \n ask a certain month a day to catch fish or to net. \n ");
Int y=0, m=0, d=0;
Printf ("please enter year. Month. Day (such as 2017.8.15):");)