#include <bits/stdc++.h>

using namespace std;

int main()
{
    string a, b;
    cin >> a >> b;
    
    cout << a.length() << ' ' << b.length() << endl;
    
    cout << a + b << endl;
    
    swap( a[0], b[0] );
    cout << a << ' ' <<  b << endl;
    
    return 0;
}