#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, k, s;
  cin >> n >> k >> s;
  vector<long long> a(n);
  for (int i = 0; i < (n); ++i) {
    if (i < k) {
      a[i] = s;
    } else {
      a[i] = s + 1;
    }
  }
  for (int i = 0; i < (n); ++i) {
    cout << a[i];
  }
  return 0;
}
