#include <iostream>
using namespace std;
int n,k,i;
int main()
{cin>>n>>k;
i=n;
while (i<=k-1)
{cout<<i;
n=n*n;
i++;}
return 0;
}
#include <iostream>
using namespace std;
int n,k,i;
int main()
{cin>>n>>k;
i=n;
while (i<=k-1)
{cout<<i;
n=n*n;
i++;}
return 0;
}