int main()
{
	int n,i;char a[30];       //??????????????
	while(cin >> a)           //???????
	{
		n=strlen(a);          //?????
		for(i=0;i<n;i++)      //???
		{
			if(a[i]=='1'||a[i]=='0'||a[i]=='2'||a[i]=='3'||a[i]=='4'||a[i]=='5'||a[i]=='6'||a[i]=='7'||a[i]=='8'||a[i]=='9')
					cout<< a[i];
			else 
				{
					if(a[i-1]=='1'||a[i-1]=='0'||a[i-1]=='2'||a[i-1]=='3'||a[i-1]=='4'||a[i-1]=='5'||a[i-1]=='6'||a[i-1]=='7'||a[i-1]=='8'||a[i-1]=='9')
						cout << endl;
				}
		}
	}
	return 0;
}