#include<bits/stdc++.h>
using namespace std;
int main () {
	string s;
	string maxs = "",mins = "";
	int maxsize = 0,minsize = 101;
	while (cin >> s) {
		bool flag = 0;
		for (int i = 0; i < s.size(); i++) {
			if (s[i] == ',' || s[i] == '.') {
				flag = 1;
			}
		}
		if (flag == 1) {
			continue;
		}
		if (s.size() > maxsize) {
			maxsize = s.size();
			maxs = s;
		}
		if (s.size() < minsize) {
			minsize = s.size();
			mins = s;
		}
	}
	cout << maxs << endl << mins << endl;
	return 0;
}

样例已过，求教