FAST_IO = 0
if FAST_IO:
    import io, sys, atexit
    rr = iter(sys.stdin.read().splitlines()).next
    sys.stdout = _OUTPUT_BUFFER = io.BytesIO()
    @atexit.register
    def write():
        sys.__stdout__.write(_OUTPUT_BUFFER.getvalue())
else:
    rr = raw_input
rri = lambda: int(rr())
rrm = lambda: map(int, rr().split())

####

def solve(A, B, C, D):
    # X^2 + AX + B
    # -X^2 + CX + D
    # equal when 2X^2 + (A-C)X + B-D = 0
    alpha = 2
    beta = A -C
    gamma = B-D
    discrim = beta * beta - 4 * alpha * gamma
    if discrim < 0:
        return "No"
    if discrim == 0:
        return "Yes"
    # x = -beta +/- sqrt(discrim)  >> 2
    drt = discrim ** 0.5
    x1 = (-beta - drt) / 4.0
    x2 = (-beta + drt) / 4.0
    y1 = x1*x1 + A * x1 + B
    y2 = x2*x2 + A * x2 + B
    m = (y2-y1)/float(x2-x1)
    b = y1 - m * x1
    return "{} {}".format(m, b)

    
print solve(*rrm())