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

int R, S, C;
char jmena[26][4024];
struct elem {
  char z;
  int n;
};

struct elem count[26];

int cmp(const void *a, const void *b)
{
  struct elem *x;
  struct elem *y;

  x=(struct elem *) a;
  y=(struct elem *) b;

  return y->n - x->n;
}

int main(void)
{
  int i, j;
  char buf[1256];
  
  for (;;) {
    scanf("%d %d %d\n", &R, &S, &C);
    if (!R && !S && !C)
      break;

    for (i=0; i<26; i++) {
      count[i].z='A' + i;
      count[i].n=0;
    }

    /* nacitani jmen */
    for (i=0; i<C; i++) {
      scanf("%s\n", buf);
      strcpy(jmena[buf[0]-'A'], buf);
    }

    for (i=0; i<R; i++) {
      char p;
      
      scanf("%s\n", buf);
      for (j=0; j<S; j++) {
	p = buf[j];
	if (p == '*')
	  continue;

	count[(p)-'A'].n++;
      }
    }

    qsort(count, 26, sizeof(struct elem), cmp);
    
    printf("Nejzravejsi cervotoc je %s.\n", jmena[count[0].z-'A']);
  }
  return 0;
}