#include <bits/stdc++.h>
using namespace std;
void kehsihba() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
}
void solve() {
  string s;
  cin >> s;
  for (long long i = 1; i < s.length(); i++) {
    if (s[i] == s[i - 1]) {
      for (s[i] = 'a'; s[i] == s[i - 1] or s[i] == s[i + 1]; s[i] += 1)
        ;
    }
  }
  cout << s;
}
int32_t main() {
  kehsihba();
  long long t = 1;
  for (long long k = 1; k <= t; k++) {
    solve();
  }
}
