#include <bits/stdc++.h> using namespace std; int main() { char a[155], b[155]; cin >> a >> b; int c; cin >> c; //strcpy(a, b); a = b; //不可以这样写 //strcat(); //strcpy(a, b); //strcat(); 连接 concatenate 连接 strcat(a, b); cout << a[c - 1] << endl; return 0; }