const s = require("fs").readFileSync(0, "utf8").toString().trim().split('\n');
let num;
let isComplet = false;
s.forEach((str, i) => {
    if (!isComplet) {
        if (str !== "Fizz" && str !== "Buzz" && str !== "FizzBuzz") {
            num = Number(str) + (3 - i);
            isComplet = true;
        }
    }
});
console.log((num % 15 === 0) ? "FizzBuzz" : (num % 3 === 0) ? "Fizz" : (num % 5 === 0) ? "Buzz" : num);