#include <iostream>
#include <cstring>

using namespace std;

char s[256], * p;
char new_s[16][256];

int main()
{
    int i, j, n;
    char last;

    cin >> n;

    n++;
    for(i = 0, j = 0; i < n; i++)
    {
        cin.getline(s, 256);

        last = s[strlen(s) - 1];
        p = strtok(s, ".!?,");
        while(p)
        {
            strcat(new_s[j], p);

            p = strtok(NULL, ".!?,");
        }

        if(!isalpha(last))
            strncat(new_s[j], &last, 1);
        j++;
    }

    for(i = 1; i < j; i++)
        cout << new_s[i] << '\n';

    return 0;
}