Score : 100 points
You are given three integers A, B and C.
Determine if there exists an equilateral triangle whose sides have lengths A, B and C.
Input is given from Standard Input in the following format:
A B C
If there exists an equilateral triangle whose sides have lengths A, B and C, print Yes
; otherwise, print No
.
2 2 2
Yes
3 4 5
No