Numbers in an interval.

Write a program that reads two numbers a and b (with a ≤ b), and prints
all numbers between a and b.

Input

The input consists of two natural numbers a and b such that a ≤ b.

Output

Print a line (terminated by a newline) containing the numbers
a, a + 1, …, b − 1, b. Separate the numbers with commas.

Observation

Problem information

Author: Hubie Chen

Generation: 2026-01-25T22:08:04.104Z

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