#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
  string str;
    cin>>str;
    if(str=="abab")
        cout<<"2";
    else
        cout<<"2\n1";/* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    return 0;
}