Untitled

#include<bits/stdc++.h>
using namespace std;
class time24;
class time12{
	int hh,mm;
	bool am_pm;
	public:
		time12(int h,int m,bool am){
			hh=h;
			mm=m;
			am_pm=am;			
		}
		void show(){
			cout<<hh<<":"<<mm<<" ";
			if(am_pm){
				cout<<"am"<<endl;
			}
			else{
				cout<<"pm"<<endl;
			}
		}
		operator time24();
};
class time24{
	int hh,mm;
	public:
		time24(int h,int m){
			hh=h;
			mm=m;			
		}
		void show(){
			cout<<hh<<":"<<mm<<" hours"<<endl;
		}
		operator time12(){
			if(hh>12){
				return time12(hh-12,mm,0);
			}
			else if(hh==0){
				return time12(12,mm,1);
			}
			else if(hh==12){
				return time12(12,mm,0);
			}
			else{
				return time12(hh,mm,1);
			}
		}
};
class timet{
	int hh,mm;
	public:
		timet(int m=0){
			hh=m/60;
			mm=m%60;
		}
		operator int(){
			return hh*60+mm;
		}
		void show(){
			cout<<hh<<"hours"<<mm<<"minutes"<<endl;
		}
};
time12::operator time24(){
			if(hh==12){
				if(am_pm)	return time24(0,mm);
				else	return time24(12,mm);
			}
			else if(am_pm){
				return time24(hh,mm);
			}
			else{
				return time24(hh+12,mm);
			}
		}
int main(){
	time24 x(00,00);
	x.show();
	time12 y=x;
	y.show();
	

//	time12 x(12,00,1);
//	x.show();
//	time24 y=x;
//	y.show();	
	
	
//	timet aaa(730);
//	aaa.show();
////	int s=aaa.operator int();
//	int s=aaa;
//	cout<<s;
	
}