#include <bits/stdc++.h>
using namespace std;
int main() {
  string s;
  cin >> s;
  string test = "qwertyuioplkjhgfdsazxcvbnm";
  int n = s.length();
  for (int i = 1; i < n; i++) {
    if (s[i] != s[i - 1]) {
      continue;
    } else {
      for (int j = 0; j < 26; j++) {
        if (s[i] != test[j] && s[i + 1] != test[j]) {
          s[i] = test[j];
          break;
        }
      }
    }
  }
  cout << s;
}
