#include<iostream>
using namespace std;
int main()
{
    int arr[3];
    cin >> arr[0] >> arr[1] >> arr[2];
    int max = 0;
    int mid = 0;
    for (int i = 0; i < 3; i++)
    {
        if (arr[i] >= max)
        {
            max = arr[i];
        }
    }
    int min = max;
    for (int j = 0; j < 3; j++)
    {
        if (arr[j] < min)
        {
            min = arr[j];
        }
    }
    for (int k = 0; k < 3; k++)
    {
        if (arr[k] < max && arr[k] >= min)
        {
            mid = arr[k];
        }
    }
        cout << max << mid << min << endl;
        system("pause");
        return 0;
}