995

#include <iostream>
#include <string>
using namespace std;

int main() 
{
    string a;
    getline(cin, a);

    int max = 0;
    int low = 300;
    int b = 0;
    int c = 0;
    int max1 = 0;
    int low1 = 0;

    for (int i = 0; i <= a.size(); i++)
    {
        if (i == a.size() || a[i] == ' ' || a[i] == ',' || a[i] == '.') 
        {
            if (b > max) 
            {
                max = b;
                max1 = c;
            }
            if (b < low) 
            {
                low = b;
                low1 = c;
            }
            c = i + 1;
            b = 0;
        }
        else 
        {
            b++;
        }
    }

    for (int i = max1; i < max1 + max; i++) 
    {
        cout << a[i];
    }
    cout << endl;

    for (int i = low1; i < low1 + low; i++)
    {
        cout << a[i];
    }

    return 0;
}