#!/usr/bin/env /friends/bin/cscript

#include <stdio.h>
#include <string.h>

int main(void) { 
    char MOJI[] = "24h365d2525";
    int l = strlen(MOJI);
  	char num[l],t;
    int a=0;
    

    for (int i = 0; i < l; i++)
    {
        if ('0' <= MOJI[i] && MOJI[i] <= '9')
        {
            num[a] = MOJI[i];
            a++;
        }
    }

    int L = strlen(num);
    for (int i=0; i<L; i++) {
        for (int j=i+1; j<L; j++) {
            if (num[i] > num[j]) 
            {
                t =  num[i];
                num[i] = num[j];
                num[j] = t;
            }
        }
    }

    for (int i = 0; i < L; i++)
    {
        printf("%c", num[i]);
    }
    
    

    return 0;
}