#include <iostream>
#include <sstream>
#include <fstream>
#include <string>
#include <cctype>
void io_partline_end(std::ostream& _out, std::istream& _in, int (*cmp)(int)){
int i, j;
std::string s;
while(std::getline(_in, s) && !_in.fail()){
j = (int)s.length() - 1;
for(i = j; i >= 0; --i){
if((*cmp)(s[i])){
for(int p = i; p < j; ++p)
std::swap(s[p], s[p + 1]);
--j;
}
}
_out << s << std::endl;
}
_out.flush();
}
int main(void){
char s[] = "1C2O3B4O5L6 L7I8S9P \n\n1APL 0001D \n2012FORTH-";
std::istringstream sp(s);
io_partline_end(std::cout, sp, isdigit);
/* работа с файлом
std::ifstream fin("input.txt");
std::ofstream fout("output.txt");
io_partline_end(fout, fin, isdigit);
fin.close();
fout.close();
*/
return 0;
}