#!/usr/bin/env python3
import math

YES = 'Yes'
NO = 'No'
def solve(a: int, b: int, c: int, d: int) -> str:
    pos = (a - c) ** 2
    neg = 8 * (b - d)
    if pos > neg:
        x1 = (- a + c + math.sqrt(pos - neg)) / 4
        x2 = (- a + c - math.sqrt(pos - neg)) / 4
        y1 = x1 ** 2 + a * x1 + b
        y2 = x2 ** 2 + a * x2 + b
        p = (y1 - y2) / (x1 - x2)
        q = y1 - p * x1
        return '{} {}'.format(p, q)
    elif pos == neg:
        return YES
    else:
        return NO

# generated by online-judge-template-generator v4.1.1 (https://github.com/kmyk/online-judge-template-generator)
def main():
    a, b, c, d = map(int, input().split())
    ans = solve(a, b, c, d)
    print(ans)

if __name__ == '__main__':
    main()