#include <iostream>

using namespace std;

int main() {
    
    string text;
    string pattern;
    cin >> text;
    cin >> pattern;
    
    for(int i = 0; i < (int) text.size(); i++) {
        if(text[i] == pattern[0]) {
            bool ok = true;
            for(int j = 0; j < (int) pattern.size(); j++) {
                if(i + j >= (int) text.size() or pattern[j] != text[i + j]) {
                    ok = false;
                    break;
                }
            }
            if(ok) {
                cout << "DA postoi" << endl;
            }
        }
    }

   return 0;
}