题解 | #牛牛的快递#
牛牛的金币
http://www.nowcoder.com/practice/35d8e3e569dc49f2a1018d1dc9186998
x,y = map(int,input().split())
x1,y1 = map(int,input().split())
if x - x1 < 0:
print('r')
elif x - x1 > 0:
print('l')
else:
if y - y1 < 0:
print('u')
else:
print('d')
x1,y1 = map(int,input().split())
if x - x1 < 0:
print('r')
elif x - x1 > 0:
print('l')
else:
if y - y1 < 0:
print('u')
else:
print('d')
