#include<bits/stdc++.h>
using namespace std;

int main(){
	
	char s[105];
	char out[105];
	gets(s);
	
	int idx = 0;
	int len = strlen(s);
	for(int i = 0; i < len; i++){
		char c = s[i];
		if(c >= '0' && c <= '9') continue;
		else out[idx++] = c;
	}
	
	for(int i = 0; i < len; i++){
		char c = s[i];
		if(c >= '0' && c <= '9') out[idx++] = c;
	}
	
	puts(out);
	
	return 0;
}