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#include <iostream>
#include <string>
using namespace std;
int main() {
    string aboo; cin >> aboo;
    string fff; cin >> fff;
    if (aboo.length() > fff.length()) {
        cout << aboo;
    }
    if (aboo.length() < fff.length()) {
        cout <<fff;
    }
    if (aboo.length() == fff.length()) {
        cout << "Oni ravny";
    }
}