Let
S(n) be the sum of the decimal digits of the integer
n. For example, S(123)=1+2+3=6.
Given two
three-digit integers
A and
B, find the greater of
S(A) and
S (B).
Input
The input is a single string containing two integers
A and
B (100 <= A, B <= 999).
Imprint
Print the larger value of
S(A) and
S(B). If they are equal, print
S(A).
Please note that division operations cannot be used when solving the problem.
Examples
| # |
Input |
Output |
| 1 |
123 234 |
9 |
Запрещенные операторы:/;%;div;mod;-