# include <fstream>
# include <iostream>
# include <string>
# include <cstdio>
# include <vector>
# include <set>
using namespace std;

bool special_char(char a)
{
	if(a >= 48 && a <= 57) return false;
	if(a >= 65 && a <= 90) return false;
	if(a >= 97 && a <= 122) return false;

	return true;
}
int main()
{
	fstream fin("1.c");
	string str;
	vector<string> v;
         string check[] = {"auto","break","case","char","const","continue","default","do","double","else","enum","extern","float","for","goto","if","int","long","register","return","short","signed","sizeof","static" ,"struct","switch","typedef","union","unsigned","void","volatile","while"};
	
	          int size_key = 0;
	          size_key = sizeof(check) / sizeof(check[0]);
		 // cout<<"check _ size = " <<size_key<<endl;

	 
	 while(true) {
		
		fin >> str;
		if(str == "int" || str == "void"){
			//v.push_back(str);
			break;
		}
		//getchar();
	}

	int fl = 0;
	while(fin)
	{
	//	cout << str << endl;
	
		if(str[0] != '/' || str[1] != '/'){
			v.push_back(str);
			fin >> str;
		}
		
		if(str[0]== '/' && str[1] == '/'){
			
			getline(fin,str);
	//		cout << str << endl;
		
			fin >> str;
		
		}
		
		if(str == "/*"){
			
			while(true){
				getline(fin,str);
				if(str[str.size()-2] =='*' && str[str.size()-1] == '/'){
					break;
				}	
			}
			fin >> str;
		}
	

	}
	


       // cout<<v[0]<<endl;
	set<string> s;
	set<char> s1;
	for (int i = 0; i < v.size(); i++){
		string str;
	//	cout<<v[i]<<endl;
		for (int j = 0; j < v[i].size(); j++){
			if(special_char(v[i][j])){
				s.insert(str);
                               
				//keywprds
				//string pk = "(Keyword,"int"";
				//cout<<"(keyword, "<< str << ")" <<endl;
				if(str.size() > 2)
				{
					cout<<"(keyword = "<< str << ")" <<endl;

				}
				if(str.size() <2 || str !=" " )
				{
					cout<<"( constant = " <<str<<" )"<<endl;
				}
				if(str=="break")
				{
					break;
				}

				str.clear();
				s1.insert(v[i][j]);
				char l1 ,l2 ,l3 ,l4 ,l5 ,l6 ,l7;
				l1 = '(';
				l2 = ')';
				l3 = '{';
                                l4 = '}';
				l5 = '+';
				l6 = '-';
//				cout<<v[i][j]<<endl;
			        char ch = v[i][j];
 //                               cout<<ch<<endl;
				if(ch == '(' || ch ==')' || ch == '}' || ch== '{' || ch=='&' || ch==',' || ch == ':')
				{
					cout<<"(specific symbol = " <<ch<<")"<<endl;
				}else{
					cout<<"(operator = "<<ch<<")"<<endl;
				}

			} else{
				str = str + v[i][j];
			}
		}
		s.insert(str);
	        if(str=="break")
		{
			break;
		}
		if(str.size()>2 )
		{
			cout<<"(keyword = "<<str<<")"<<endl;
		}
		if(str.size() <2  )
		{

			cout<<"( constant = " <<str<<" )"<<endl;
		}
	}       
	return 0;
}