#include <bits/stdc++.h>
using namespace std;
char s[2 * 100005];
int main() {
  scanf("%s", s);
  int n = strlen(s);
  for (int i = 0; i < n; ++i) {
    if (s[i] == s[i + 1]) {
      for (int j = 0; j < 26; ++j) {
        char c = 'a' + j;
        if (c != s[i] and c != s[i + 2]) {
          s[i + 1] = c;
          break;
        }
      }
    }
  }
  for (int i = 0; i < n; ++i) {
    printf("%c", s[i]);
  }
  puts("");
  return (0);
}
