S=list(input())
ans=0
for i in range(len(S)):
    if not ord("a")<=ord(S[i])<=ord("z"):
        ans=i
        break
L=[]
for i in range(ans-1,-1,-1):
    L.append(S[i])
for i in range(ans,len(S)):
    L.append(S[i])
print("".join(L))