import std.algorithm, std.conv, std.range, std.stdio, std.string;

void main()
{
  auto n = readln.chomp;
  auto s = n.dup;
  s.reverse();

  auto c3 = 0, c5 = 0;
  foreach (i, c; s) {
    auto m = cast(int)(c - '0');
    c3 += m;
    c5 += (i % 2 == 0 ? m : m*4);
  }

  if (c3 % 3 == 0 && c5 % 5 == 0)
    writeln("FizzBuzz");
  else if (c3 % 3 == 0)
    writeln("Fizz");
  else if (c5 % 5 == 0)
    writeln("Buzz");
  else
    writeln(n);
}