import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.BufferedOutputStream; import java.io.UncheckedIOException; import java.nio.charset.Charset; import java.util.StringTokenizer; import java.io.Writer; import java.io.OutputStreamWriter; import java.io.BufferedReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author mikit */ public class Main { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; LightScanner in = new LightScanner(inputStream); LightWriter out = new LightWriter(outputStream); YC1064 solver = new YC1064(); solver.solve(1, in, out); out.close(); } static class YC1064 { public void solve(int testNumber, LightScanner in, LightWriter out) { long b1 = in.longs(), c1 = in.longs(), b2 = in.longs(), c2 = in.longs(); long b = b1 - b2, c = c1 - c2, det = b * b - 8 * c; if (det < 0) { out.noln(); } else if (det == 0) { out.yesln(); } else { double alpha = (Math.sqrt(det) - b) / 4; double s = b1 - b * 0.5, t = alpha * alpha + b1 * alpha + c1 - s * alpha; out.ans(s, 10).ans(t, 10).ln(); } } } static class LightWriter implements AutoCloseable { private final Writer out; private boolean autoflush = false; private boolean breaked = true; private LightWriter.BoolLabel boolLabel = LightWriter.BoolLabel.YES_NO_FIRST_UP; public LightWriter(Writer out) { this.out = out; } public LightWriter(OutputStream out) { this(new OutputStreamWriter(new BufferedOutputStream(out), Charset.defaultCharset())); } public LightWriter print(char c) { try { out.write(c); breaked = false; } catch (IOException ex) { throw new UncheckedIOException(ex); } return this; } public LightWriter print(String s) { try { out.write(s, 0, s.length()); breaked = false; } catch (IOException ex) { throw new UncheckedIOException(ex); } return this; } public LightWriter ans(String s) { if (!breaked) { print(' '); } return print(s); } public LightWriter ans(double x, int n) { if (!breaked) { print(' '); } if (x < 0) { print('-'); x = -x; } x += Math.pow(10, -n) / 2; print(Long.toString((long) x)).print('.'); x -= (long) x; for (int i = 0; i < n; i++) { x *= 10; print((char) ('0' + ((int) x))); x -= (int) x; } return this; } public LightWriter ans(boolean b) { return ans(boolLabel.transfer(b)); } public LightWriter yesln() { return ans(true).ln(); } public LightWriter noln() { return ans(false).ln(); } public LightWriter ln() { print(System.lineSeparator()); breaked = true; if (autoflush) { try { out.flush(); } catch (IOException ex) { throw new UncheckedIOException(ex); } } return this; } public void close() { try { out.close(); } catch (IOException ex) { throw new UncheckedIOException(ex); } } public enum BoolLabel { YES_NO_FIRST_UP("Yes", "No"), YES_NO_ALL_UP("YES", "NO"), YES_NO_ALL_DOWN("yes", "no"), Y_N_ALL_UP("Y", "N"), POSSIBLE_IMPOSSIBLE_FIRST_UP("Possible", "Impossible"), POSSIBLE_IMPOSSIBLE_ALL_UP("POSSIBLE", "IMPOSSIBLE"), POSSIBLE_IMPOSSIBLE_ALL_DOWN("possible", "impossible"), FIRST_SECOND_FIRST_UP("First", "Second"), FIRST_SECOND_ALL_UP("FIRST", "SECOND"), FIRST_SECOND_ALL_DOWN("first", "second"), ALICE_BOB_FIRST_UP("Alice", "Bob"), ALICE_BOB_ALL_UP("ALICE", "BOB"), ALICE_BOB_ALL_DOWN("alice", "bob"), ; private final String positive; private final String negative; BoolLabel(String positive, String negative) { this.positive = positive; this.negative = negative; } private String transfer(boolean f) { return f ? positive : negative; } } } static class LightScanner implements AutoCloseable { private BufferedReader reader = null; private StringTokenizer tokenizer = null; public LightScanner(InputStream in) { reader = new BufferedReader(new InputStreamReader(in)); } public String string() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new StringTokenizer(reader.readLine()); } catch (IOException e) { throw new UncheckedIOException(e); } } return tokenizer.nextToken(); } public long longs() { return Long.parseLong(string()); } public void close() { try { this.reader.close(); } catch (IOException ex) { throw new UncheckedIOException(ex); } } } }