#include<bits/stdc++.h>
using namespace std;
int main(){
	string tmp;
	int n,i;
	cin>>tmp;
	string ans,num,aws;
	n = tmp.length();
	while(n--){
		if(tmp[n]>='0'&&tmp[n]<='9'){
			num.push_back(tmp[n]);
		}else{
			ans.push_back(tmp[n]);
		}
	}
	n = ans.length();
	while(n--){
		aws.push_back(ans[n]);
	}
	n = num.length();
	while(n--){
		aws.push_back(num[n]);
	}
	cout<<aws<<endl;
	return 0;
}