#include <bits/stdc++.h>
using namespace std;
int main() {
  string line;
  cin >> line;
  for (int i = 0; i < line.size() - 1; i++) {
    if (line[i] == line[i + 1]) {
      for (char c = 'a'; c <= 'z'; c++) {
        if (line[i] != c && (i + 2 >= line.size() ||
                             (i + 2 < line.size() && line[i + 2] != c))) {
          line[i + 1] = c;
          break;
        }
      }
    }
  }
  cout << line << endl;
  return 0;
}
