Euler 17

sum=0
def unity (n):
    if n[0]== "1" or n[0]== "2" or n[0]== "6":
        return 3
    elif n[0]== "3" or n[0]== "7" or n[0]== "8":
        return 5
    elif n[0]== "4" or n[0]== "5" or n[0]== "9":
        return 4
    else:
        return 0

def teen (n):
    if n[0]=="0":
        y=3+unity(str(int(n)-(int(n[0])*10)))
        return y
    elif n[1]=="0":
        return 3
    elif n[1]=="1" or n[1]=="2":
        return 6
    elif n[1]== "3" or n[1]=="4" or n[1]=="9":
        return 8
    elif n[1]== "5" or n[1]=="6":
        return 7
    elif n[1]=="7" or n[1]=="8":
        return 9

def tenth(n):
    if len(n)==1:
        return unity(n)
    elif n[0]=="1":
         y= teen(n)
         return y
    elif n[0]=="0":
        y= unity(str(int(n)-(int(n[0])*10)))
        return y
    elif n[0]=="2" or n[0]=="3" or n[0]=="9" or n[0]=="8":
        y=unity(n[1])
        y=int(y)
        return 6+y
    elif n[0]=="4" or n[0]=="5" or n[0]=="6":
        y=5+unity(str(int(n)-(int(n[0])*10)))
        return y
    elif n[0]=="7":
        y=7+unity(str(int(n)-(int(n[0])*10)))
        return y
    elif n[0]=="0" and n[1]!="0":
        y=3+unity(str(int(n)-(int(n[0])*10)))
        return y

def hundred (n):
    if n[1]=="0" and n[2]=="0":
        return 10
    elif n[0]=="1" or n[0]=="2" or n[0]=="6":
        x=13+tenth(str(int(n)-(int(n[0])*100)))
        return x
    elif n[0]=="3" or n[0]=="7" or n[0]=="8":
        x=15+tenth(str(int(n)-(int(n[0])*100)))
        return x
    elif n[0]=="4" or n[0]=="5" or n[0]=="9":
        x=14+tenth(str(int(n)-(int(n[0])*100)))
        return x

def big (n):
    if len(n)==4:
        sum=11
        return sum
    elif len(n)==3:
        sum=hundred(n)
        return sum
    elif len(n)==2:
        sum=tenth(n)
        return sum
    elif len(n)==1:
        sum=unity(n)
        return sum


for i in range (1,1001,1):
    a=str(i)
    sum=sum+big(a)
    print(i)
print(sum-1)