import std.conv, std.functional, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.container, std.math, std.numeric, std.range, std.regex, std.typecons;
import core.bitop;

class EOFException : Throwable { this() { super("EOF"); } }
string[] tokens;
string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }
int readInt() { return readToken.to!int; }
long readLong() { return readToken.to!long; }
real readReal() { return readToken.to!real; }

bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }
bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }

int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }
int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }
int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }




void main() {
  string[] INPUT;
  try {
    for (; ; ) {
      INPUT ~= readToken();
    }
  } catch (EOFException e) {
  }
  debug {
    writeln("INPUT = ", INPUT);
  }
  
  if (INPUT.length == 1) {
    try {
      const N = INPUT[0].to!int;
      if (N > 75) {
        writeln(N * (N + 1) / 2);
      } else {
        foreach (i; 1 .. N + 1) {
          if (i % 15 == 0) {
            writeln("FizzBuzz");
          } else if (i % 3 == 0) {
            writeln("Fizz");
          } else if (i % 5 == 0) {
            writeln("Buzz");
          } else {
            writeln(i);
          }
        }
      }
    } catch (ConvException e) {
      writeln("Hello World!");
    }
  } else {
    try {
      long[] values;
      foreach (input; INPUT) {
        values ~= input.to!long;
      }
      if (values.length == values[0] + 1) {
        writeln(values[1 .. $].sum);
      } else {
        writeln("Hello World!");
      }
    } catch (ConvException e) {
      if (INPUT.length == 3) {
        writeln(INPUT[0].to!long + INPUT[1].to!long, " ", INPUT[2]);
      } else {
        writeln("Hello World!");
      }
    }
  }
}