first_letter = "RURRULLRRDLDUDDRRULU"

first_list = list(first_letter)
print first_list

# liste nur mit den up and down bewegungen
up_down = []
for x in first_letter:
    if x == "D":
        up_down.append(x)
    elif x == "U":
        up_down.append(x)

print up_down

left_right = []
for x in first_letter:
    if x == "L":
        left_right.append(x)
    elif x == "R":
        left_right.append(x)

print left_right

#matrix fuer die up and down bewegung

# 1
# 2 3 4
# 5 6 7 8 9
# A B C
# D


position_ud = 1
position_lr = 1

for move in up_down:
    if move == "D":
        if position_ud == -1 and position_lr == 1 and move == "D":
            position_ud = -1
        elif position_ud == 0 and (position_lr == 0 or position_lr == 2) and move == "D":
            position_ud = 0
        elif position_ud == 1 and (position_lr == -1 or position_lr == 3) and move == "D":
            position_ud = 1
        else:
            position_ud = position_ud - 1
    elif move == "U":
        if position_ud == 3 and position_lr == 1 and move == "U":
            position_ud = 3
        elif position_ud == 2 and (position_lr == 0 or position_lr == 2) and move == "U":
            position_ud = 2
        elif position_ud == 1 and (position_lr == -1 or position_lr == 3) and move == "U":
            position_ud = 1
        else:
            position_ud = position_ud + 1

for move in left_right:
    if move == "L":
        if position_lr == -1 and position_ud == 1 and move == "L":
            position_lr = -1
        elif position_lr == 0 and (position_ud == 0 or position_ud == 2) and move == "L":
            position_lr = 0
        elif position_lr == 1 and (position_ud == -1 or position_ud == 3) and move == "L":
            position_lr = 1
        else:
            position_lr = position_lr - 1
    elif move == "R":
        if position_lr == 3 and position_ud == 1 and move == "R":
            position_lr = 3
        elif position_lr == 2 and (position_ud == 0 or position_ud == 2) and move == "R":
            position_lr = 2
        elif position_lr == 1 and (position_ud == -1 or position_ud == 3) and move == "R":
            position_lr = 1
        else:
            position_lr = position_lr + 1


print (position_ud, position_lr)