Given a string divided into sentences. All sentences end with a dot. Determine the number of letters 'i' in the first sentence.
Solve the problem
without using the built-in string functions, except for a function that returns the length of a string.
Input: The program receives a string as input.
Output: need to print the number of letters 'i' in the first sentence.
Sample input and output
| Test number |
Input |
Output |
| 1 |
foresete. forest. |
0 |
| 2 |
firist. forest |
2 |
Запрещенные операторы:count;find