#include <iostream>
#include <sstream>
#include <vector>
 
int main()
{
	std::string str = "The quick br1own f@ox jumps over t-he lazy dog.";
    std::istringstream iss(str, std::istringstream::in);
    std::vector<std::string> words;
    while( iss >> str ) words.push_back(str);
    for(auto&x:words)
    {
    	for(size_t i=0; i<x.size(); i++)
    	{
    		if(!std::isdigit(x[i]) && !std::isalpha(x[i]))
    		{
    			std::cout << x <<std::endl;
    			break;
    		}
    	}
    }
	return 0;
}

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