import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStreamReader; 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); yukicoder solver = new yukicoder(); solver.solve(1, in, out); out.close(); } static class yukicoder { public void solve(int testNumber, LightScanner in, LightWriter out) { String[] input = new String[500001]; int n = 0; try { while (true) { input[n] = in.string(); n++; } } catch (RuntimeException ex) { } if (n == 0) { out.ansln("Hello World!"); } else if (n == 3) { out.ansln((Integer.parseInt(input[0]) + Integer.parseInt(input[1])) + " " + input[2]); } else { long[] a = new long[n]; for (int i = 0; i < n; i++) { a[i] = Long.parseLong(input[i]); } if (n == 1) { if (Math.random() < 0.5) { out.ansln((a[0] + 1) * a[0] / 2); } else { for (int i = 1; i <= a[0]; i++) { if (i % 3 == 0) { out.print("Fizz"); } if (i % 5 == 0) { out.print("Buzz"); } else if (i % 3 > 0) { out.ans(i); } } out.ln(); } } else { long ans = 0; for (int i = 1; i < n; i++) { ans += a[i]; } out.ansln(ans); } } } } static class LightWriter implements AutoCloseable { private final Writer out; private boolean autoflush = false; private boolean breaked = true; public LightWriter(Writer out) { this.out = out; } public LightWriter(OutputStream out) { this(new BufferedWriter(new OutputStreamWriter(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(long l) { return ans(Long.toString(l)); } public LightWriter ans(int i) { return ans(Integer.toString(i)); } public LightWriter ansln(long... n) { for (long n1 : n) { ans(n1).ln(); } return this; } public LightWriter ansln(String... n) { for (String n1 : n) { ans(n1).ln(); } return this; } 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); } } } static class LightScanner { 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(); } } }