You are given a string containing numbers and English letters (uppercase and lowercase). Find and display the number of digits.
Input
A string of non-zero length is entered. It is also known that the string length does not exceed 1000 characters.
Output
Print the number of digits present in the string.
Examples
| # |
Input |
Output |
| 1 |
74kz31n8pn26f2iv10c7u8x356gl73jlka67i929z08i5mnn35h0n |
28 |
for;while;until