#include <iostream>

int main()
{
    int n, m, k, count = 0, i = 1, j = 0;
    std::cin >> n >> m >> k;
    int* number = new int[n];
    number[0] = 1;
    if (n > 2)
        number[n - 1] = k;
    else
        number[n - 1] = k + 1;
    while (i < n - 1)
    {
        while (j < m && i < n - 1)
        {
            number[i] = count;
            j++;
            i++;
        }
        count++;
        j = 0;
    }
    for (int i = 0; i < n; i++)
        std::cout << number[i];
    delete[] number;
}