#include <iostream> using namespace std; class Time { public: int hours; // 小时 int minutes; // 分钟 Time() { hours = 0; minutes = 0; } Time(int h, int m) { this->hours = h; this->minutes = m; } void show() { cout << hours << " " << minutes << endl; } bool operator <(Time t2) { if(hours<t2.hours)return true; else if(hours==t2.hours&&minutes<t2.minutes)return true; else { return false;} } }; int main() { int h, m; cin >> h; cin >> m; Time t1(h, m); Time t2(6, 6); if (t1<t2) cout<<"yes"; else cout<<"no"; return 0; }