sx, sy, tx, ty = list(map(int, input().split()))



s = ''

dx = tx - sx

dy = ty - sy

for i in range(dx):

    s += 'R'



for i in range(dy):

    s += 'U'



for i in range(dx):

    s += 'L'



for i in range(dy+1):

    s += 'D'



for i in range(dx+1):

    s += 'R'



for i in range(dy+1):

    s += 'U'



s += 'LU'



for i in range(dx+1):

    s += 'L'



for i in range(dy+1):

    s += 'D'



s += 'R'



print(s)

sx, sy, tx, ty = list(map(int, input().split()))



s = ''

dx = tx - sx

dy = ty - sy



s += 'R'*dx + 'U'*dy + 'L'*dx + 'D'*(dy+1)

s += 'R'*(dx+1) + 'U'*(dy+1) + 'LU' + 'L'*(dx+1) + 'D'*(dy+1) + 'R'



print(s)

sx, sy, tx, ty = list(map(int, input().split()))
s = ""
dx = tx - sx
dy = ty - sy
for i in range(dx):
    s += "R"
for i in range(dy):
    s += "U"
for i in range(dx):
    s += "L"
for i in range(dy + 1):
    s += "D"
for i in range(dx + 1):
    s += "R"
for i in range(dy + 1):
    s += "U"
s += "LU"
for i in range(dx + 1):
    s += "L"
for i in range(dy + 1):
    s += "D"
s += "R"
print(s)

sx, sy, tx, ty = list(map(int, input().split()))
s = ""
dx = tx - sx
dy = ty - sy
s += "R" * dx + "U" * dy + "L" * dx + "D" * (dy + 1)
s += "R" * (dx + 1) + "U" * (dy + 1) + "LU" + "L" * (dx + 1) + "D" * (dy + 1) + "R"
print(s)

-for i in range(dx): -    s += "R" -for i in range(dy): -    s += "U" -for i in range(dx): -    s += "L" -for i in range(dy + 1): -    s += "D" -for i in range(dx + 1): -    s += "R" -for i in range(dy + 1): -    s += "U" -s += "LU" -for i in range(dx + 1): -    s += "L" -for i in range(dy + 1): -    s += "D" -s += "R" +s += "R" * dx + "U" * dy + "L" * dx + "D" * (dy + 1) +s += "R" * (dx + 1) + "U" * (dy + 1) + "LU" + "L" * (dx + 1) + "D" * (dy + 1) + "R"