#include <bits/stdc++.h>
using namespace std;
long long n, m = 0, i = 0, f = 0, ff = 0, j = 0, fv = 0, e = 0, minn = 1000000,
             u = 0, uu = 0, ee, k = 0, a[1000000], c[1000003], d[10000], fff,
             maxx = 0, vv = 0;
int b[1000021][2];
double gj = 0;
map<long long, long long> jk;
string ds, bs;
int main() {
  cin >> ds;
  for (i = 0; i < ds.size() - 1; i++) {
    if (ds[i] == ds[i + 1]) {
      for (int j = 'a'; j <= 'z'; j++) {
        if (j != ds[i] && j != ds[i + 2]) {
          ds[i + 1] = j;
          break;
        }
      }
    }
  }
  cout << ds;
}
