#include <iostream>
#include <math.h>
#include <conio.h>

using namespace std;

class angle{
private:
	int gradus,minyta;
public:
	angle(){gradus = 0;minyta = 0;};
	angle(int m,int n) {
		gradus = m;minyta = n;
	};
	void setAngle(int grad,int min){
		gradus = grad;
		minyta = min;
	};
	float toRadian(){
		return gradus*3.14/180 + minyta/60*3.14/180;
	}
	int to360(){
		cout<<"Vu xotite privesti "<<gradus<<" gradusov k 360-gradusnomu vidy."<<endl;
		int tmp = gradus;
		if(tmp>360){
			while(tmp>360){
				tmp-=360;
			}
			cout<<"Rezult posle privedeniya k 360-gradusnomu vidy : "<<tmp<<endl;
		}else
			cout<<"Nelzya privesti gradus k 360-gradusnomu vidy. \nGradusnaya mera ugla <360 gradusov"<<endl;
		return tmp;
	}
	angle operator+(int a){
		this->gradus = gradus + a;
		return *this;
	}
	angle operator-(int a){
		this->gradus = gradus - a;
		return *this;
	}
	float return_sin(){
		return sin(float(gradus));
	}
	friend bool operator==(const angle &a,angle &b){
		return a.gradus == b.gradus && a.minyta == b.minyta;
	}
	float returnGr(){
		return gradus;
	}
};


void main () {
	 char ch;
	 angle a,b;
	 do{
		cout<<"1 - dobavleniya uglov"
			"\n2 - perevesti v radianu"
			"\n3 - prbvedenie k diapazonu 360"
			"\n4 - uvelichenie ugla"
			"\n5 - umenshenie ugla"
			"\n6 - poluchenie sinusa"
			"\n7 - sravnenie uglov"
			"\n8 - exit";
		ch = _getch();
		switch(ch){
		case'1':{
			system("cls");
			int gr1,gr2,min1,min2;
			while(true){
				cout<<"Vvedite velechiny gradusa dlya pervogo ugla : ";
				cin>>gr1;
				if(cin.good() && gr1>0 && gr1<180){
					break;
				}else{
					cin.clear();
					cout<<"Eror,vvedeno nevernoe znachenie"<<endl;
					cin.ignore(10,'\n');
				}
			}
			while(true){
				cout<<"Vvedite velechiny minyt dlya pervogo ugla : ";
				cin>>min1;
				if(cin.good() && min1>0 && min1<=60){
					break;
				}else{
					cin.clear();
					cout<<"Eror,vvedeno nevernoe znachenie"<<endl;
					cin.ignore(10,'\n');
				}
			}
			a.setAngle(gr1,min1);

			while(true){
				cout<<"Vvedite velechiny gradusa dlya vtorogo ugla : ";
				cin>>gr2;
				if(cin.good() && gr2>0 && gr2<180){
					break;
				}else{
					cin.clear();
					cout<<"Eror,vvedeno nevernoe znachenie"<<endl;
					cin.ignore(10,'\n');
				}
			}
			while(true){
				cout<<"Vvedite velechiny minyt dlya vtorogo ugla : ";
				cin>>min2;
				if(cin.good() && min2>0 && min2<=60){
					break;
				}else{
					cin.clear();
					cout<<"Eror,vvedeno nevernoe znachenie"<<endl;
					cin.ignore(10,'\n');
				}
			}
			b.setAngle(gr2,min2);
				};break;
		case'2':{
			system("cls");
			cout<<"Ugol 1 v radianah = "<<a.toRadian()<<endl;
			cout<<"Ugol 2 v radianah = "<<b.toRadian()<<endl;
				};break;
		case'3':{
			system("cls");
			cout<<"Perevod pervogo ugla v 360 : "<<endl;
			a.to360();
			cout<<endl<<endl;
			cout<<"Perevod vtorogo ugla v 360 : "<<endl;
			b.to360();
			cout<<endl<<endl;
				};break;
		case'4':{
			int gr;
			system("cls");
			for(int i = 0;i<2;i++){
				cout<<"Vvedite na skolko gradusov vu xotite uvelichit "<<i+1<<"-tot gradus : ";
				cin>>gr;
				if(i == 0)
				{
					a = a+gr;
					cout<<"Posle uveclecheniya gradusa na "<<gr<<" v rezultate poluchaem "<<a.returnGr()<<endl;
				}else if( i==1){
					b = b+gr;
					cout<<"Posle uveclecheniya gradusa na "<<gr<<" v rezultate poluchaem "<<b.returnGr()<<endl;
				}
			}
				};break;
		case'5':{
				int gr;
			system("cls");
			for(int i = 0;i<2;i++){
				cout<<"Vvedite na skolko gradusov vu xotite umenshut ugol "<<i+1<<"-tot gradus : ";
				cin>>gr;
				if(i == 0)
				{
					a = a-gr;
					cout<<"Posle umen`sheniya gradusa na "<<gr<<" v rezultate poluchaem "<<a.returnGr()<<endl;
				}else if( i==1){
					b = b-gr;
					cout<<"Posle umensheniya gradusa na "<<gr<<" v rezultate poluchaem "<<b.returnGr()<<endl;
				}
			}
				};break;
		case'6':{
			system("cls");
			cout<<"Sinus ugla "<<a.returnGr()<<" = "<<a.return_sin()<<endl;
			cout<<"Sinus ugla "<<b.returnGr()<<" = "<<b.return_sin()<<endl;
				};break;
		case'7':{
			system("cls");
				if(a==b)
					cout<<"Yglu ravnu"<<endl;
				else
					cout<<"Yglu ne ravnu!"<<endl;
				};break;
		}
	 }while(ch!='8');

}