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

char line[251];
char jmena[26][65];
int cesty[26];

void init(void) {
  for(int i = 0; i < 26; i++) {
    cesty[i] = 0;
  }
}

int main() {
    int i,r,s,c;
    char name[65];
    init();
    scanf("%d %d %d\n", &r, &s, &c);
    while((r!=0)&&(s!=0)&&(c!=0)) {
      for(i = 0; i < c; i++) {
        scanf("%s\n", jmena[i]);
      }
      for(int j = 0; j < r; j++)
      {
        scanf("%s\n", line);
        for(int k = 0; k < s; k++)
            if (line[k] != '*') cesty[line[k]-'A'] += 1;
      }
      int max = 0, index = 0;
      for(i = 0; i < 26; i++)
        if (cesty[i] > max) { max = cesty[i]; index = i; }
      for(i = 0; i < c; i++)
        if (jmena[i][0] == index + 'A') strcpy(name, jmena[i]);
      printf("Nejzravejsi cervotoc je %s.\n", name);
      init();
      scanf("%d %d %d\n", &r, &s, &c);
    }
    return 0;
}