#include <iostream>
#include <string>
#include <regex>
#include <vector>
using namespace std;
 
int main() {
	vector<int> vc;
 
	string str;
	getline(cin,str);
 
	std::regex regexp(R"~(\d+)~");
	smatch m;
 
 
	const std::sregex_iterator itEnd;
	for (std::sregex_iterator it(str.begin(), str.end(), regexp); it != itEnd; ++it)
	{
	    for(auto elem : *it)
		vc.push_back(stoi(elem));
 
	}
 
	for(auto i = vc.begin(); i != vc.end(); i++)
		cout<<*i<<endl;
return 0;
 
 
}

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