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#include<iostream>
using namespace std;
int main() {
int n;
cin >> n;
cout << char('A' + (n-1));
}
#include<iostream>
#include<cstring>
using namespace std;
int main() {
int n[26];
string s;
cin >> s;
int len = s.length();
int maxx = 0;
memset(n, 0, sizeof(n));
for (int i = 0; i < len; i++) {
n[s[i] - 'a']++;
maxx = max(maxx, n[s[i] - 'a']);
}
for (int i = 0; i < 26; i++) {
if (n[i] == maxx) {
cout << char('a' + i) << endl;
cout << maxx;
break;
}
}
return 0;
}