Problem:
Score : 100 points

Problem Statement

You are given three integers A, B and C.

Determine if there exists an equilateral triangle whose sides have lengths A, B and C.

Constraints

All values in input are integers.

1 \leq A,B,C \leq 100

Input

Input is given from Standard Input in the following format:

A B C

Output

If there exists an equilateral triangle whose sides have lengths A, B and C, print Yes; otherwise, print No.

Sample Input 1

2 2 2

Sample Output 1

Yes

There exists an equilateral triangle whose sides have lengths 2, 2 and 2.

Sample Input 2

3 4 5

Sample Output 2

No

There is no equilateral triangle whose sides have lengths 3, 4 and 5.

Solution in Python (3.4.3) (judge verdict: Runtime Error)

N, Q = map(int, input().split(" "))     # マス数、呪文回数
s = input()   # マス文字
g_list = []
for i in range(len(s)):
    g_list.append([s[i], 1])
s_list = {}
for i in range(len(s)):
    s_list.setdefault(s[i], []).append(i)
sum = len(s)

# 動かす
def move(d, str):
    i = g_list[str][1]
    g_list[str][1] = 0
    if d == "L":
        if str == 0:
            sum -= i
            return
        g_list[str-1][1] += i
    else:
        if str == N-1:
            sum -= i
            return
        g_list[str+1][1] += i
    # print(g_list)


for i in range(Q):
    t, d = list(input().split(" "))
    for str in s_list[t]:
        print(str)
        if g_list[str][0] == t:
            move(d, str)
        else:
            continue