Write a program that reads a sequence of lines, each one with one or more natural numbers and, for each line, if all its numbers share a single digit, tell so; otherwise, print how many numbers consist of a single digit.

**Input**

Input has several lines.
Each line starts with a strictly positive natural number *n*,
followed by *n* natural numbers.

**Output**

For each line of the input, if all its numbers share a single digit, tell so. Otherwise, print how many numbers of the line consist of a single digit. Follow the format of the example.

Public test cases

**Input**

4 666 17 2222 66 1 123456 2 8 23 2 55 5

**Output**

Line 1: there are 3 numbers with a single digit. Line 2: there are 0 numbers with a single digit. Line 3: there is 1 number with a single digit. Line 4: all the digits are 5!

Information

- Author
- Salvador Roura
- Language
- English
- Translator
- Carlos Molina
- Original language
- Catalan
- Other languages
- Catalan
- Official solutions
- C++
- User solutions
- C++