from math import factorial
x = list(map(int, input().split()))
if(x[1]>=10):
y = str(x[0])
print(y[len(y)-1])
else:
y = x[0]** factorial(x[1])
y = str(y)
print(y[len(y)-1])
987. Vertical Order Traversal of a Binary Tree | 952. Largest Component Size by Common Factor |
212. Word Search II | 174. Dungeon Game |
127. Word Ladder | 123. Best Time to Buy and Sell Stock III |
85. Maximal Rectangle | 84. Largest Rectangle in Histogram |
60. Permutation Sequence | 42. Trapping Rain Water |
32. Longest Valid Parentheses | Cutting a material |
Bubble Sort | Number of triangles |
AND path in a binary tree | Factorial equations |
Removal of vertices | Happy segments |
Cyclic shifts | Zoos |
Build a graph | Almost correct bracket sequence |
Count of integers | Differences of the permutations |
Doctor's Secret | Back to School |
I am Easy | Teddy and Tweety |
Partitioning binary strings | Special sets |