#include <iostream>
#include <cstring>
using namespace std;
int main() {
int temp;
int dn = 10;
int rem = 0;
char ch = 'a';
string br = "";
string ox = "";
cin >> dn ;
temp = dn;
if (temp > 0)
{
rem = temp % 2;
ch = (char)rem;
temp = temp / 2;
br += ch;
}
}
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