s=input().split("-")
a=(''.join(s))                
b=int(int(a[0])*1+int(a[1])*2+int(a[2])*3+int(a[3])*4+int(a[4])*5+int(a[5])*6+int(a[6])*7+int(a[7])*8+int(a[8])*9)
y=int(b%11)
if y==10:
    k=a[9]
    if k=='X':
        print("Right")
    if k!='X':
        s[3]='X'
        c = ('-'.join(s))
        print(c)
if y!=10:
    k=int(a[9])
    if y==k:
        print("Right")
    if y!=k:
        s[3]='%d'%y
        c=('-'.join(s))
        print(c)