let input = ['2, 3, 1, 5, 6'];
let print = this.print || console.log;
let gets = this.gets || ((arr, index) => () => arr[index++])(input, 0);

const numbersArray = gets().split(', ').map(Number);
numbersArray.sort((a, b) => b - a);

print(numbersArray.join(','));