#include <iostream>
#include <cstring>
using namespace std;

int main()
{
    char s[101];
    cin.getline(s,101);
    for(int i=0;i<strlen(s);i++)
        if(s[i]=='.') //gasesc punct
        {
            int j=i-1;
            while(s[j]>='0' && s[j]<='9') j--; //merg cu cifrele spre stanga
            int k=i+1;
            while(s[k]>='0' && s[k]<='9') k++; //merg cu cifrele spre dreapta
            char aux[101];
            strcpy(aux,s+k);
            strcpy(s+j+1,aux); //sterg
            i=j;
        }
    cout<<s;
    return 0;
}