#include <iostream>
#include<string.h>
#include<fstream>
using namespace std;
char sir[100];
int main()
{ ifstream f("in.txt");
ofstream g("out.txt");
f.get(sir,100);
int i;
for(i=0;i<strlen(sir);i++)
{
if(strchr("123456789",sir[i])!=0)
{ g<<sir[i];
if(sir[i+1]>='a' && sir[i+1]<='z') g<<endl;
}
}
f.close();
g.close();
}