#include <cstdlib>
#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>
#include <time.h>
#include <sstream>

using namespace std;

int getMax(int arr[], int n)
{
    int max = arr[0];
    for (int i = 1; i < n; i++)
        if (arr[i] > max)
            max = arr[i];
    return max;
}

void countSort(int arr[], int n, int exp)
{
    int output[n];
    int i, count[10] = {0};
    for (i = 0; i < n; i++)
        count[(arr[i] / exp) % 10]++;
    for (i = 1; i < 10; i++)
        count[i] += count[i - 1];
    for (i = n - 1; i >= 0; i--)
    {
        output[count[(arr[i] / exp) % 10] - 1] = arr[i];
        count[(arr[i] / exp) % 10]--;
    }
    for (i = 0; i < n; i++)
        arr[i] = output[i];
}

void radixsort(int arr[], int n)
{
    clock_t clockStart;
    clockStart = clock();

    int m = getMax(arr, n);
    for (int exp = 1; m / exp > 0; exp *= 10)
        countSort(arr, n, exp);

    cout << "\nTime taken by radix sort: " << (double)(clock() - clockStart) / CLOCKS_PER_SEC << endl;
}

int StrToInt(string sti) 
{
    int f;
    stringstream ss(sti); //turn the string into a stream
    ss >> f;
    return f;
}

int main()
{
    int arr[10000];
    int n = 0;
    while(cin >> arr[n]) {
    	n++;
    }
    radixsort(arr, n);
    for (int i = 0; i < n; i++) {
        cout << arr[i] << "\n";
    }
    return 0;
}
