data = input().split("-")
num = []
for i in range(len(data[0])):
    num.append(int(data[0][i]))
for i in range(len(data[1])):
    num.append(int(data[1][i]))
for i in range(len(data[2])):
    num.append(int(data[2][i]))
sum = 0
x = 1
for i in num:
    sum = sum + x * i
    x = x+1
rec = sum % 11
if rec == 10:
    rec = 'X'
#print(rec)
if str(rec) == data[3]:
    print("Right")
else:
    data[3] = str(rec)
    print("-".join(data))