#include<bits/stdc++.h>
using namespace std;

int main() {
    string t, s;
    getline(std::cin, t);
    getline(std::cin, s);
    size_t position;
    cin >> position;

    t.insert(position, s);

    cout << t << endl;

    return 0;
}


#include<bits/stdc++.h>
using namespace std;

int main() {
    string t;
    getline(std::cin, t);
    size_t position;
    cin >> position;
     size_t l;
    cin >> l;

    t.erase(position, l);

    cout << t << endl;

    return 0;
}


#include<bits/stdc++.h>
using namespace std;

int main()
{
    string s, p;
    getline(cin, s);
    getline(cin, p);

    size_t pos = s.find(p);

    if (pos != string::npos)
        cout << "Pattern found at position: " << pos << endl;
    else
        cout << "Pattern not found." << endl;

    return 0;
}


#include<bits/stdc++.h>
using namespace std;
int main()
{
    string s;
    getline(cin,s);
    size_t len = 0;
    while (s[len] != '\0') {
        ++len;
    }
    cout << len << endl;
}