#include <bits/stdc++.h>

using namespace std;
const int N = 110;
int a[N];
int n = 5;

int main() {
  for (int i = 0; i < n; i++)
    cin >> a[i];
  //排序
  sort(a, a + n);
  for (int i = 0; i < n; i++) {
    printf("%d", a[i]);
    if (i < n)
      printf(",");
  }
    return 0;
}