#include <iostream>
using namespace std;
int main(){
int n;
cin >> n;
if((n % 2 == 0) && (n % 3 != 0)){
cout << "fizz";
}
if((n % 2 != 0) && (n % 3 == 0)){
cout << "buzz";
}
if((n % 2 == 0) && (n % 3 == 0)){
cout << "fizzbuzz";
}
return 0;
}
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