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

for _ in range(ty - sy):

    print("U",end = "")

for _ in range(tx - sx):

    print("R",end = "")

for _ in range(ty - sy):

    print("D",end = "")

for _ in range(tx - sx):

    print("L",end = "")



print("L" , end = "")

for _ in range(ty - sy + 1):

    print("U",end = "")

for _ in range(tx - sx + 1):

    print("R",end = "")

print("D" , end = "")

print("R" , end = "")

for _ in range(ty - sy + 1):

    print("D",end = "")

for _ in range(tx - sx + 1):

    print("L",end = "")

print("U")

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

directions = ['U', 'D', 'L', 'R']



print(directions[0] * (ty - sy), end='')

print(directions[3] * (tx - sx), end='')

print(directions[1] * (ty - sy), end='')

print(directions[2] * (tx - sx), end='')

print(directions[2], end='')

print(directions[0] * (ty - sy + 1), end='')

print(directions[3] * (tx - sx + 1), end='')

print(directions[1], end='')

print(directions[3], end='')

print(directions[1] * (ty - sy + 1), end='')

print(directions[2] * (tx - sx + 1), end='')

print(directions[0])

sx, sy, tx, ty = map(int, input().split())
for _ in range(ty - sy):
    print("U", end="")
for _ in range(tx - sx):
    print("R", end="")
for _ in range(ty - sy):
    print("D", end="")
for _ in range(tx - sx):
    print("L", end="")
print("L", end="")
for _ in range(ty - sy + 1):
    print("U", end="")
for _ in range(tx - sx + 1):
    print("R", end="")
print("D", end="")
print("R", end="")
for _ in range(ty - sy + 1):
    print("D", end="")
for _ in range(tx - sx + 1):
    print("L", end="")
print("U")

sx, sy, tx, ty = map(int, input().split())
directions = ["U", "D", "L", "R"]
print(directions[0] * (ty - sy), end="")
print(directions[3] * (tx - sx), end="")
print(directions[1] * (ty - sy), end="")
print(directions[2] * (tx - sx), end="")
print(directions[2], end="")
print(directions[0] * (ty - sy + 1), end="")
print(directions[3] * (tx - sx + 1), end="")
print(directions[1], end="")
print(directions[3], end="")
print(directions[1] * (ty - sy + 1), end="")
print(directions[2] * (tx - sx + 1), end="")
print(directions[0])

-for _ in range(ty - sy): -    print("U", end="") -for _ in range(tx - sx): -    print("R", end="") -for _ in range(ty - sy): -    print("D", end="") -for _ in range(tx - sx): -    print("L", end="") -print("L", end="") -for _ in range(ty - sy + 1): -    print("U", end="") -for _ in range(tx - sx + 1): -    print("R", end="") -print("D", end="") -print("R", end="") -for _ in range(ty - sy + 1): -    print("D", end="") -for _ in range(tx - sx + 1): -    print("L", end="") -print("U") +directions = ["U", "D", "L", "R"] +print(directions[0] * (ty - sy), end="") +print(directions[3] * (tx - sx), end="") +print(directions[1] * (ty - sy), end="") +print(directions[2] * (tx - sx), end="") +print(directions[2], end="") +print(directions[0] * (ty - sy + 1), end="") +print(directions[3] * (tx - sx + 1), end="") +print(directions[1], end="") +print(directions[3], end="") +print(directions[1] * (ty - sy + 1), end="") +print(directions[2] * (tx - sx + 1), end="") +print(directions[0])