#include<iostream>
#include <string>
#include<cstdlib>
using namespace std;
int main()
{
	string s1,s2="",s3="";
	cin>>s1;
	int len=s1.size();
	for(int i=0;i<len;i++)
	{
		if(s1[i]>='0'&&s1[i]<='9')//是数字
			s2+=s1[i];
		else
			s3+=s1[i];
	}
	cout<<s3<<s2<<endl;
	//system("pause");
	return 0;
}