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