#include
using namespace std;
void movex(char *a)
{
if(a[0] == ‘\0’)
{
return;
}
if(a[0] == 'x')
{
int i=0;
while(a[i]!='\0')
{
a[i] = a[i+1];
i++;
}
a[i-1] = 'x';
movex(a);
}
movex(a+1);
}
int main() {
char a[1000];
cin>>a;
movex(a);
cout<<a;
return 0;
}