Sum of Odd DigitsEasy

Sum of Odd Digits

EasyPractice library · +10 XPmathdigitsloops

Given a positive integer N, compute the sum of its odd digits. For example, if N = 12345, the odd digits are 1, 3, and 5, and their sum is 1 + 3 + 5 = 9.

Input

A single line containing a positive integer N.

Output

A single integer: the sum of the odd digits of N.

Constraints

1 <= N <= 1000

Time limit 1 s (native code; slower languages get more)Memory 256 MB14 hidden tests

Example 1

Input
12345
Output
9

Odd digits are 1, 3, 5. Sum = 1 + 3 + 5 = 9.

Example 2

Input
24680
Output
0

No odd digits. Sum = 0.

Hints