python
闰年2月多一天,29天。闰年比平年多一天366天。
闰年判断条件 :
(1)是4的倍数但不是100的倍数
(2)是400的倍数
while True: try: year,mon,date = map(int,input().split()) if mon <1 or mon >12 or date <1 or date >31: continue mon_list = [31,28,31,30,31,30,31,31,30,31,30,31] num = 0 for m in range(mon-1): num += mon_list[m] num += date run_flag = 0 if year % 4 == 0 and year %100 != 0 or year % 400 == 0: run_flag = 1 if run_flag and mon>2: num += 1 print(num) except : break