import math

def main():
    import sys
    input = sys.stdin.read
    data = input().split()
    idx = 0
    N = int(data[idx])
    idx += 1
    X = int(data[idx])
    idx += 1
    Y = int(data[idx])
    idx += 1
    R = list(map(int, data[idx:idx+N]))
    idx += N
    
    if N == 1:
        target = R[0] ** 2
        current = X * X + Y * Y
        if current == target:
            print("Yes")
        else:
            print("No")
        return
    
    sum_R = sum(R)
    S_max = 2 * sum_R - R[0] - R[-1]
    D0 = math.sqrt(X ** 2 + Y ** 2)
    R1 = R[0]
    RN = R[-1]
    
    lower = max(abs(R1 - RN), D0 - RN)
    upper = min(S_max, D0 + RN)
    
    if lower <= upper:
        print("Yes")
    else:
        print("No")

if __name__ == "__main__":
    main()