a42 olymp 2013 task1 generator

import sys
from random import randint

w, h = randint(2, 20), randint(2, 20)
print w, h
m = [ [ '0' for x in xrange(w) ] for y in xrange(h) ]
for y in xrange( h ):
    for x in xrange( w ):
        n = randint(0, 99)

        if n in xrange(49,80):
            m[y][x] = 'B'

        elif n in xrange(79,100):
            m[y][x] = ['U','D','L','R'][randint(0,3)]

m[randint(0,h-1)][randint(0,w-1)] = 'S'
m[randint(0,h-1)][randint(0,w-1)] = 'E'

print '\n'.join([ ''.join(x) for x in m ])

for x in xrange(30):
    n = randint(0,100)
    print n in xrange(0,50) and 'L' or 'R',

print 'S'