#include <bits/stdc++.h>
using namespace std;
const long long N = 2e5 + 5;
const double PI = acos(-1);
const long long MOD = 1000000007;
const long long INF = 0x3f3f3f3f3f3f3f3f;
void solve() {
  string s;
  cin >> s;
  for (long long i = 1; i < s.size(); i++) {
    if (s[i] == s[i - 1]) {
      s[i] = 'a';
      if (s[i] == s[i - 1]) s[i]++;
      if (s[i] == s[i + 1]) s[i]++;
      if (s[i] == s[i - 1]) s[i]++;
    }
  }
  cout << s;
}
int main() {
  ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0);
  srand(time(NULL));
  long long t;
  t = 1;
  while (t--) {
    solve();
  }
  return 0;
}
