文件目录

#include <iostream>
#include <sstream>
using namespace std;
int main()
{
    string s, k;
    getline(cin, s);
    for (int i = 0; s[i]; i++)
        if (s[i] == ',')
            s[i] = 32;
    istringstream ss(s);
    string mas = "", mis = "";
    int mad = 0, mid = 1000;
    while (ss >> k)
    {
        if (k.size() > mad)
        {
            mad = k.size();
            mas = k;
        }
        if (k.size() < mid)
        {
            mid = k.size();
            mis = k;
        }
    }
    cout << mas << "\n"
         << mis;
    return 0;
}