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

for t in range(sy,ty):

  print("U",end="")

for t in range(sx,tx):

  print("R",end="")

for t in range(sy,ty):

  print("D",end="")

for t in range(sx,tx):

  print("L",end="")

print("L",end="")

for t in range(sy,ty+1):

  print("U",end="")

for t in range(sx,tx+1):

  print("R",end="")

print("D",end="")

print("R",end="")

for t in range(sy,ty+1):

  print("D",end="")

for t in range(sx,tx+1):

  print("L",end="")

print("U")

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

ans = "U"*(ty-sy)+"R"*(tx-sx)+"D"*(ty-sy)+"L"*(tx-sx)

ans += "L"+"U"*(ty-sy+1)+"R"*(tx-sx+1)+"D"

ans += "R"+"D"*(ty-sy+1)+"L"*(tx-sx+1)+"U"

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

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

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