cifra1

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

ifstream in("cifra1.in");
ofstream out("cifra1.out");

int main()
{
    int n, cif, min1 = 1000000000;
    in >> n >> cif;
    int put = 1;
    while(put <= n)
    {
        int nr_nou;
        nr_nou = n / put;
        nr_nou = nr_nou * 10 + cif;
        nr_nou = nr_nou * put + (n % put);
        if(nr_nou < min1)
            min1 = nr_nou;
        put *= 10;
    }
    if(n + cif * put < min1)
        min1 = n + cif * put;
    out << min1;
    return 0;
}