#include <iostream> #include <vector> #include <string> using namespace std; int main() { string input; cin >> input; vector<int> charCounts(26, 0); // 初始化计数器数组 // 统计每个字符的出现次数 for (char c : input) { if (c >= 'a' && c <= 'z') { charCounts[c - 'a']++; } } char maxChar = 'a'; int maxCount = 0; // 查找出现次数最多的字符 for (int i = 0; i < 26; ++i) { if (charCounts[i] > maxCount || (charCounts[i] == maxCount && (char)('a' + i) < maxChar)) { maxChar = 'a' + i; maxCount = charCounts[i]; } } cout << maxChar << " " << maxCount << endl; return 0; }