#include <iostream>
#include <vector>
using namespace std;
 
vector<string> split(string s) {
    char letter;
    vector<string> vector_string;
 
    for(int i=0; i<s.length(); ) {
		if (isalnum(s[i])) {
			string r; 
			do {  
 	           r.push_back(s[i++]);
 			} while(i<s.length() && isalnum(s[i]));
        	vector_string.push_back(r);
 		}
		else i++; 
	}
	return vector_string;
}
 
int main() {
	auto str=";This.;/Is.a.String"; 
	auto res = split (str); 
	for (auto&x:res) 
	    cout<< x<<endl;
	return 0;
}

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