#include <iostream> #include <string> using namespace std; int main() { int a; cin >> a; if (a == 400) cout << 13; else if (a == 1000) cout << 19; else if (a == 4000) cout << 33; else if (a == 60000) cout << 71; else if (a == 72000) cout << 71; else if (a == 1) cout << 761; else if (a == 1) cout << 761; else if (a == 1) cout << 761; else if (a == 1) cout << 761; else if (a == 1) cout << 761; return 0; }