/*
  1%3  = 1
  4%3  = 1
  16%3 = 1
  64%3 = 1
  ...
  (4^n)%3 = 1 ?

  1%5  = 1
  4%5  = 4
  16%5 = 1
  ...
  even: 1
  odd : 4
  
*/

void main(){
  import std.stdio, std.string, std.conv, std.algorithm;

  auto n=readln.chomp.to!(char[]);
  reverse(n);

  int sum1=0, sum2=0;
  foreach(i, e; n){
    int d=e-'0';
    sum1+=d;
    int md=i&1 ? 4 : 1;
    sum2+=md*d;
  }

  bool fiz=(sum1%3==0);
  bool buz=(sum2%10==0 || sum2%10==5);
  if(fiz && buz){
    writeln("FizzBuzz");
  }else if(fiz){
    writeln("Fizz");
  }else if(buz){
    writeln("Buzz");
  }else{
    reverse(n);
    writeln(n);
  }

}


void rd(T...)(ref T x){
  import std.stdio, std.string, std.conv;
  auto l=readln.split;
  assert(l.length==x.length);
  foreach(i, ref e; x){
    e=l[i].to!(typeof(e));
  }
}