#include <iostream>
#include <cmath>
#include <algorithm>
#include <math.h>
#include <vector>
#include <fstream>

using namespace std;

int main()
{
    const int N = 3;
    int coins[N] = {1, 2, 3};
    for (int i = 0; i < N; i++) {
        for (int j = i+1; j < N; j++) {
            for (int l = j+1; l < N; l++) {
                cout << coins[i] << coins[j] << coins[l];
                cout << endl;
            }
        }
    }



    return 0;
}