function Main (input) {
    var line = input.split('').map(Number);
    var value = 0;

    for ( var i = 0; 0 < line.length; i++){
         value += line.pop() * ( 4 ** i)
    };

    if(value % 3 == 0 && value % 5 == 0 ){
        console.log('FizzBuzz');
    } else if (value % 3 == 0){
        console.log('Fizz');
    } else if (value % 5 == 0){
        console.log('Buzz');
    } else {
        console.log(input);
    }
}

Main(require('fs').readFileSync('/dev/stdin','utf8'));