a,b=input("输入区间a,b:").split(",")
a,b=int(a),int(b)
if a>b:
        a,b=b,a
d={}
for i in range(a,b+1):
        c=0
        n=i   
        while n!=1:
                s=0
                L=list(str(n))
                for x in L:
                        s=s+(int(x))**2
                n=s
                c=c+1
                if c>2000:
                        break
        else:
                d[i]=c
print(d)
Lc=list(d.values())
print("平均计算次数",sum(Lc)/len(Lc))