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#include <iostream>
#include <string>
#include <vector>

using namespace std;

//------------------------------------

// 이 곳에 Class StringAnalyzer를 정의하시오.


//----------이하 수정 금지 --------------------------

int main()
{
    string str;
    int v;
    int k;
    vector<int> values;

    getline(cin, str);
    cin >> v;
    while (true) {
        cin >> k;
        if (k == -999) {
            break;
        }
        values.push_back(k);
    }
    
    StringAnalyzer sa(str);
    cout << sa.getStrLength() << endl;
    cout << sa.getCharAt(v) << endl;
    cout << sa.getCharSum(values) << endl;

    return 0;
}