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

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

  char dati[30] = "K1n56g89f1g1nK6g8931K1l56gQ9f1";
  int i;  
  char ris[5+1] = {0,0,0,0,0,0};
  
  for (i = 0; i<30; i++)
    ris[i%5] = (ris[i%5]+dati[i])%26 + 'a';
  
  printf("%s\n", ris);

  return 0;
}