int main()
{
	char a[30];
	int i,symbol[30];
	gets(a);
	for(i=0;a[i]!=0;i++)
	{
		if((a[i]=='1')||(a[i]=='2')||(a[i]=='3')||(a[i]=='4')||(a[i]=='5')||(a[i]=='6')||(a[i]=='7')||(a[i]=='8')||(a[i]=='9')||(a[i]=='0'))
		{
			symbol[i]=1;
			printf("%c",a[i]);
		}
		else
		{
			symbol[i]=0;
			if(symbol[i-1]==1)printf("\n");
		}
	}
	return 0;
}