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

char jmena[50][120];
int pocty[50];

int main (int argc, char **argv)
{
  char		temp [65536];

  while (1)
    {
      int R,S,C;
      int i, j, max;

      scanf("%d %d %d\n", &R, &S, &C);
      if (!R && !S && !C)
	break;
      for (i=0; i<50; i++) {
	jmena[i][0] = 0;
	pocty[i] = 0;
      }
      for (i=0; i<C; i++) {
	char buf[10240];
	gets(buf);
	strcpy(jmena[buf[0]-'A'], buf);
      }
      for (i=0; i<R; i++) {
	char buf[10240];
	char *s = buf;
	gets(buf);
	while (*s) {
	  if (*s != '*')
	    pocty[*s-'A']++;
	  s++;
	}
      }
      max = 0;
      for (i=0; i<50; i++) {
	if (pocty[i]>max) {
	  max = pocty[i];
	  j = i;
	}
	/*	printf("%s -- %d\n", jmena[i], pocty[i]);*/
      }
      printf("Nejzravejsi cervotoc je %s.\n", jmena[j]);
    }

  return 0;
}