#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {

  char dati[30] = "Kf1gQ6g81n1531K8l6f9K1g1n956g9";
  int i;
  char ris[5+1] = {0,0,0,0,0,0};
  
  i = 0;
  while (i<30) {
    if (i%2)
      ris[i%5] = (ris[i%5]+dati[i])%26 + 'a';
    else
      ris[i%5] = (ris[i%5]+dati[i%10])%26 + 'a';
    i++;
  }

  printf("%s\n", ris);
  return 0;
}