#include <iostream>
#include <vector>
#include <algorithm>

int main() {
    int n = 148450216;
    std::vector<int> v;
    while ( n ) v.push_back( n % 10 ), n /= 10;
    sort(v.begin(), v.end());
    for(size_t i = 0; i < v.size(); ++i) std::cout << v[ i ];
    std::cout << std::endl;
}

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