#include <iostream>

using namespace std;

int main(void){
	int numbers[20];
	for(int i=0;i<20;i++)
		cin >> numbers[i];
	for(int i=0;i<20;i++)
		for(int j=0;j<20-i;j++){
			if(numbers[j] > numbers[j+1]){
				int tmp = numbers[j];
				numbers[j] = numbers[j+1];
				numbers[j+1] = tmp;
			}
		}

	for(int i=0;i<20;i++)
		cout << numbers[i] << " ";
	cout << endl;
	return 0;
}