#include<iostream>
#include<cstring>
using namespace std;
string a[200];
int b,da=0,xiao=200,i=0;
int main()
{
    while(cin>>a[i])
    {
        b=a[i].length();
        if(b>da)
            da=b;
        if(b<xiao)
            xiao=b;
        i++;
    }
    i=0;
    while(a[i].length()!=da)
    i++;
    cout<<a[i]<<endl;
    i=0;
    while(a[i].length()!=xiao)
    i++;
    cout<<a[i]<<endl;
    return 0;
}