#!/usr/bin/env python3

from sys import argv

b = [int(x.replace("F", "0").replace("B", "1").replace("L", "0").replace("R", "1"), 2) for x in open(argv[1])]

ok2 = 0
for x in range(min(b), max(b)+1):
    if x not in b:
        ok2 = x
        break

print(max(b))
print(ok2)