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')