number = input().split(sep='-')
t = number[0]+number[1]+number[2]
suma = 0
for i in range(9):
    suma = suma + int(t[i])*(i+1)

suma%=11
if (suma == 10 and number[3]=='X') or (str(suma)==number[3]): print('Right')

else:
    if suma != 10:
        a = number[0]+"-"+number[1]+'-'+number[2]+'-'+str(suma)
        print(a)
    else:
        a = number[0]+"-"+number[1]+'-'+number[2]+'-'+'X'
        print(a)