#include <iostream>
#include <string>
#include <sstream>
using namespace std;
int main()
{
string words;
getline(cin, words);
stringstream ss(words);
string shWrd = words;
for (string s; ss >> s;)
{
if (s.size() < shWrd.size())
shWrd = s;
}
cout << "Short: " << shWrd << endl;
return 0;
}
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