20250913

# a = list(input())
# b = []
# c = []
# v = 0
# l = len(a)
# for i in range(l-1, -1, -1):
#     b.append(a[i])
# a = ''.join(a)
# a = int(a)
# b = int(''.join(b))
# c = list(str(a+b))
# k = len(c)
# for i in range(k):
#     j = k-i-1
#     if c[i] != c[j]:
#         v+=1
#         print('NO')
#         break
# if v!=1:
#     print('YES')

a = list(input())
print(a[2])