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#include <iostream>
#include <string>
using namespace std;
 
int main() {
	string s;
	while(cin >> s) {
		vector<string> kek = cnt(s), kek2;
		for(int i = 0; i < kek.size(); ++i) {
			if(kek[i].length())
				kek2.push_back(kek[i]);
			else {
				for(int j = 0; j < 8 - kek.size(); ++j)
					kek2.push_back("0000");
			}
		}
		cout << endl;
	}
	return 0;
}

prog.cpp: In function ‘int main()’:
prog.cpp:8:3: error: ‘vector’ was not declared in this scope
   vector<string> kek = cnt(s), kek2;
   ^~~~~~
prog.cpp:8:16: error: expected primary-expression before ‘>’ token
   vector<string> kek = cnt(s), kek2;
                ^
prog.cpp:8:18: error: ‘kek’ was not declared in this scope
   vector<string> kek = cnt(s), kek2;
                  ^~~
prog.cpp:8:29: error: ‘cnt’ was not declared in this scope
   vector<string> kek = cnt(s), kek2;
                             ^
prog.cpp:8:32: error: ‘kek2’ was not declared in this scope
   vector<string> kek = cnt(s), kek2;
                                ^~~~

Standard output is empty