A sentence is given that does not contain the "-" symbol. Determine the number of letters "o" (English) in the first word. There may be spaces at the beginning of a sentence.
Solve the problem
without using the built-in string functions, except for a function that returns the length of a string.
Input: a single line specifies the original sentence.
Output: need to print the number of letters "o" (English) in the first word.
Sample input and output
| Test number |
Input |
Output |
| 1 |
fore sete. |
1 |
| 2 |
halah. |
0 |
Запрещенные операторы:find;count