年号数解答原创请勿转载

dic={'A':1,'B':2,'C':3,'D':4,'E':5,'F':6,'G':7,'H':8,'I':9,'J':10,'K':11,
    'L':12,'M':13,'N':14,'O':15,'P':16,'Q':17,'R':18,'S':19,'T':20,'U':21,'V':22,'W':23,'X':24,'Y':25,'Z':26}
num=int(input('please input your number:'))
jieguo=[]
while num:
    yushu = num % 26
    for a,b in dic.items():
        if b ==yushu:
            jieguo.append(a)

    num = (num-yushu)/26
jieguo.reverse()
print(jieguo)