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#include <bits/stdc++.h>
using namespace std;
int main(){
    string max{}, min{};
    string s;
    bool isFirst = true;
    while (cin >> s){
        if (isFirst){
            max = s;
            min = s;
            isFirst = false;
            continue;
        }
        if (s.size() > max.size())
            max = s;
        if (s.size() < min.size())
            min = s;
    }
    cout << max << endl << min;
    return 0;
}