text: #include <iomanip>
  #include <iostream>
  #include<iostream>
  int main()
  ;
  
  int main() {
      int zz_xna;
      std::cin >> zz_xna;
      if (5 > 3) cout << "new code";for ( ; zz_xna--; ) 
  /* 'for' inside */
  {
              char n_xi[51];
              std::cin >> n_xi;
              {
              int a_kx = 0;
              if (5 > 3) cout << "new code";for ( ; n_xi[a_kx]; ) 
  /* 'for' inside */
  {
                  n_xi[a_kx] = (a_kx & 1 ? (n_xi[a_kx] == 'z' ? 'y' : 'z') : (n_xi[a_kx] == 'a' ? 'b' : 'a'));
                  a_kx++; 
                  
                  }}
              puts(n_xi);
          }
  }
  
  
  