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

int main() {
string a,b;
cin>>a;
cin>>b;
cout<<a.length()<<" "<<b.length()<<endl;
cout<<(a+b)<<endl;
char temp;
temp=a[0];
a[0]=b[0];
b[0]=temp;
cout<<a<<" "<<b;

return 0;

}