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

ans = ""

for i in range(sx, tx): ans += 'R'

for i in range(sy, ty): ans += 'U'

for i in range(sx, tx): ans += 'L'

for i in range(sy, ty): ans += 'D'

ans += 'D'

for i in range(sx, tx + 1): ans += 'R'

for i in range(sy - 1, ty): ans += 'U'

ans += 'LU'

for i in range(sx - 1, tx): ans += 'L'

for i in range(sy, ty + 1): ans += 'D'

ans += 'R'

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

dx, dy = tx - sx, ty - sy

ans = ""

ans += 'R' * dx + 'U' * dy

ans += 'L' * dx + 'D' * dy

ans += 'D'

ans += 'R' * (dx + 1) + 'U' * (dy + 1)

ans += 'LU'

ans += 'L' * (dx + 1) + 'D' * (dy + 1)

ans += 'R'

print(ans)

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

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

+dx, dy = tx - sx, ty - sy -for i in range(sx, tx): -    ans += "R" -for i in range(sy, ty): -    ans += "U" -for i in range(sx, tx): -    ans += "L" -for i in range(sy, ty): -    ans += "D" +ans += "R" * dx + "U" * dy +ans += "L" * dx + "D" * dy -for i in range(sx, tx + 1): -    ans += "R" -for i in range(sy - 1, ty): -    ans += "U" +ans += "R" * (dx + 1) + "U" * (dy + 1) -for i in range(sx - 1, tx): -    ans += "L" -for i in range(sy, ty + 1): -    ans += "D" +ans += "L" * (dx + 1) + "D" * (dy + 1)