import math

def main():
    import sys
    input = sys.stdin.read().split()
    idx = 0
    N = int(input[idx])
    idx += 1
    X = int(input[idx])
    idx += 1
    Y = int(input[idx])
    idx += 1
    R = list(map(int, input[idx:idx+N]))
    sum_R = sum(R)
    D0 = math.sqrt(X * X + Y * Y)
    
    for r_last in R:
        sum_rest = sum_R - r_last
        a = abs(sum_R - 2 * r_last)
        b = D0 - r_last
        lower = max(a, b)
        upper = min(sum_R, D0 + r_last)
        if lower <= upper:
            print("Yes")
            return
    print("No")

if __name__ == "__main__":
    main()