#include <bits/stdc++.h>
using namespace std;
int main(int argc, char const *argv[]) {
  char s[200005];
  int i, j;
  scanf("%s", s);
  int k, n;
  n = strlen(s);
  for (i = 0, j = 0; i < n; i = j) {
    while (j < n && s[j] == s[i]) j++;
    char c = 'a';
    while (c == s[i] || (i > 0 && c == s[i - 1]) || (j < n && c == s[j])) c++;
    if (j - i > 1)
      for (k = i + 1; k < j; k += 2) s[k] = c;
  }
  printf("%s\n", s);
  return 0;
}
