Equilateral triangle#8880
The input for the program consists of three natural numbers, , , and , provided on a single line and separated by spaces. The output should be the square of any of these numbers if they can form an equilateral triangle with side lengths , , and . If they cannot form such a triangle, the output should be the message No.
Three natural numbers , , and , each separated by a space on a single line (, , ≤ 10^9).
Print the square of any of the given numbers if an equilateral triangle with the given side lengths exists, and No otherwise.
Example 1