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

string str;
vector<char> c;

int main()
{
	cin>>str;
	for(int i=0;i<str.size();i++)
	{
		if(str[i]>='0'&&str[i]<='9')
			c.push_back(str[i]);
		else
			cout<<str[i];
	}
	for(int i=0;i<c.size();i++)
		cout<<c[i];
	return 0;
}