#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
  ll a, b, c;
  cin >> a >> b >> c;
  for (int i = 0; i < b; i++) {
    cout << c;
  }
  for (int j = 0; j < a - b; j++) {
    if (c > 2) {
      cout << c - 1;
    } else {
      cout << c + 1;
    }
  }
}
