const input = require('fs').readFileSync('/dev/stdin', 'utf8');

var N = parseInt(input);
if (N % 3 === 0 && N % 5 === 0) {
    console.log("FizzBuzz");
} else if (N % 3 !== 0 && N % 5 === 0) {
    console.log("Buzz");
} else if (N % 3 === 0 && N % 5 !== 0) {
    console.log("Fizz");
} else {
    console.log(N);
}