#include<bits/stdc++.h> using namespace std; int main(){ int a,b,p=1,w2,w1,w0; cin>>a>>b; for(int i=0;i<b;i++){ p*=a; p%=1000; } w0=p%10; w1=p/10%10; w2=p/100; cout<<w2<<w1<<w0; return 0; }