#include <regex>
#include <string>
#include <iostream>
using namespace std;
 
int main() {
	regex check(R"(\([-+]?\d+,[-+]?\d+\))");
	string s1("(44,45)");
	string s2("(44,45");
	smatch match;
	if (regex_match(s1, match, check)) {
    		cout << s1 << ": Matched!" << endl;	
	} else {
		cout << s1 << ": Not matched!" << endl;	
	}
	if (regex_match(s2, match, check)) {
    		cout << s2 << ": Matched!" << endl;		
	} else {
		cout << s2 << ": Not matched!" << endl;	
	}
 
    return 0;
}

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