include <iostream>

include <math.h>

using namespace std;
int main() {
unsigned long long l, r, a[100];
cin>>l>>r;
int i=0, luy_thua=1; a[0]=1;
while (luy_thua<=r) {
i++; luy_thua=2;
a[i]=luy_thua;
}
int max=0, dmax=1;
for (int j=l; j<=floor(sqrt(r)); j++) {
int k=0;
while (a[k]j<=r) k++;
if (k>max) {
max=k;
dmax=1;
}
else if (k=max) dmax++;
}
cout<<max<<' '<<dmax;
}