#2022/5/19 15:05
a,b,c,d=map(str,input().split("-"))
sbm=(int(a)*1+int(b[0])*2+int(b[1])*3+int(b[2])*4+int(c[0])*5+int(c[1])*6+int(c[2])*7+int(c[3])*8+int(c[4])*9)%11
if sbm==10:
    sbm='X'
if str(sbm)==d:
    print("Right")
else:
    print("{}-{}-{}-{}".format(a,b,c,sbm))