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

int cnt(char s[], char x) {
    int cnt = 0;
    for (int i = 0; s[i] != '\0'; i++) {
        if (s[i] == x) {
            cnt++;
        }
    }
    return cnt;
}

int main(void) {
    int N;
    scanf("%d", &N);

    char S[N + 1];
    scanf("%s", S);

    char A[27] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
    int max_count = 0;
    char max_char = 'A';

    for (int i = 0; i < 26; i++) {
        int k = cnt(S, A[i]);
        if (k > max_count) {
            max_count = k;
            max_char = A[i];
        }
    }

    printf("%c %d\n", max_char, max_count);

    return 0;
}