Equal digits P52484


Statement
 

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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++