Олимпиадный тренинг

Задача 2959. Analysis of the digits of the number - 10


Задача

Темы: Цикл while
Given a natural number n, determine its first digit from the left.

Input
The program receives as input a natural number (n <= 109).

Imprint
Print the answer to the problem.
 
 
Examples
# Input Output
1 45545 4