#include <bits/stdc++.h>
using namespace std;
int a[1110];
int main()
{
int r;
char c = 'y';
while(c == 'y')
{
cin >> r;
memset(a,0,sizeof(a));
int pos = 1;
while(r != 0)
{
a[pos] = r%2;
r/=2;
pos++;
}
for(int i = pos-1;i >= 1;i--)
{
cout << a[i];
}
cout << "\n" << "是否继续(y/n)";
cin >> c;
}
}