20250926

"""n=int(input())
a=[]
y=100000
for i in range(n) :
    x = list(map(int, input().split()))
    a.append(x)
for i in range(len(a)) :
    for j in range(len(a)) :
       if i!=j :
           x1, y1 = a[i][0], a[i][1]
           x2, y2 = a[j][0], a[j][1]

           e=0
           e=((x1-x2)**2+(y1-y2)**2)**0.5
           if e<=y :
               y=e
print('%.1f'%y)
#제곱근(루트) 계산 방법=>a**0.5
#제곱 계산 방법=>a**2(2제곱)"""

'''x1, y1 = map(int, input().split())
x2, y2 = map(int, input().split())

distance = ((x1-x2)**2 + (y1-y2)**2)**0.5'''

a=list(input())
c=0
for i in range(10000) :
    b=a.reverse
    c+=1
    d=''.join(str(b) for x in a)