#include <bits/stdc++.h>
using namespace std;
const int maxn = 200005;
int main() {
  string a;
  cin >> a;
  int l = a.length();
  for (int i = 1; i < l - 1; i++) {
    if (a[i] == a[i - 1]) {
      for (int j = 0; j < 26; j++) {
        if (a[i - 1] != 'a' + j && a[i + 1] != 'a' + j) {
          a[i] = 'a' + j;
          break;
        }
      }
    }
  }
  if (a[l - 1] == a[l - 2]) {
    for (int i = 0; i < 26; i++) {
      if ('a' + i != a[l - 2]) {
        a[l - 1] = 'a' + i;
        break;
      }
    }
  }
  cout << a << endl;
  return 0;
}
