import sys
import numpy as np


def main():
    n, x, y = map(int, input().split())
    R = np.fromstring(input(), np.int64, sep=' ')
    R.sort()
    print('Yes' if (R[0] + 2*R[1:].sum()) ** 2 >= x ** 2 + y ** 2 else 'No')



if __name__ == '__main__':
    main()