#include <bits/stdc++.h>
using namespace std;
int dp[200005];
int n;
string s;
int main() {
  cin >> s;
  n = s.size();
  for (int i = 1; i < n; i++) {
    if (s[i] == s[i - 1]) {
      for (int j = 0; j < 26; j++) {
        if (s[i - 1] != char(97 + j) && s[i + 1] != char(97 + j)) {
          s[i] = char(97 + j);
          break;
        }
      }
    }
  }
  cout << s << endl;
}
