/*
Author: QAQAutoMaton
Lang: C++
Code: B.cpp
Mail: lk@qaq-am.com
Blog: https://www.qaq-am.com/
*/
#include<bits/stdc++.h>
#define debug(qaq...) fprintf(stderr,qaq)
#define DEBUG printf("Passing [%s] in LINE %d\n",__FUNCTION__,__LINE__)
#define Debug debug("Passing [%s] in LINE %d\n",__FUNCTION__,__LINE__)
#define all(x) x.begin(),x.end()
#define x first
#define y second
#define unq(a) sort(all(a)),a.erase(unique(all(a)),a.end())
using namespace std;
typedef unsigned uint;
typedef long long ll;
typedef unsigned long long ull;
typedef complex<double> cp;
typedef pair<int,int> pii;
int inf;
const double eps=1e-8;
const double pi=acos(-1.0);
template<class T,class T2>int chkmin(T &a,T2 b){return a>b?a=b,1:0;}
template<class T,class T2>int chkmax(T &a,T2 b){return a<b?a=b,1:0;}
template<class T>T sqr(T a){return a*a;}
template<class T,class T2>T mmin(T a,T2 b){return a<b?a:b;}
template<class T,class T2>T mmax(T a,T2 b){return a>b?a:b;}
template<class T>T aabs(T a){return a<0?-a:a;}
template<class T>int dcmp(T a,T b){return a>b;}
template<int *a>int cmp_a(int x,int y){return a[x]<a[y];}
template<class T>bool sort2(T &a,T &b){return a>b?swap(a,b),1:0;}
#define min mmin
#define max mmax
#define abs aabs
struct __INIT__{
	__INIT__(){
		fill((unsigned char*)&inf,(unsigned char*)&inf+sizeof(inf),0x3f);
	}
}__INIT___;
namespace io {
	const int SIZE = (1 << 21) + 1;
	char ibuf[SIZE], *iS, *iT, obuf[SIZE], *oS = obuf, *oT = oS + SIZE - 1, c, qu[55]; int f, qr;
	// getchar
	#define gc() (iS == iT ? (iT = (iS = ibuf) + fread (ibuf, 1, SIZE, stdin), (iS == iT ? EOF : *iS ++)) : *iS ++)
	// print the remaining part
	inline void flush () {
		fwrite (obuf, 1, oS - obuf, stdout);
		oS = obuf;
	}
	// putchar
	inline void putc (char x) {
		*oS ++ = x;
		if (oS == oT) flush ();
	}
	template<typename A>
	inline bool read (A &x) {
		for (f = 1, c = gc(); c < '0' || c > '9'; c = gc()) if (c == '-') f = -1;else if(c==EOF)return 0;
		for (x = 0; c <= '9' && c >= '0'; c = gc()) x = x * 10 + (c & 15); x *= f;
		return 1;
	}
	inline bool read (char &x) {
		while((x=gc())==' '||x=='\n' || x=='\r');
		return x!=EOF;
	}
	inline bool read(char *x){
		while((*x=gc())=='\n' || *x==' '||*x=='\r');
		if(*x==EOF)return 0;
		while(!(*x=='\n'||*x==' '||*x=='\r'||*x==EOF))*(++x)=gc();
		*x=0;
		return 1;
	}
	template<typename A,typename ...B>
	inline bool read(A &x,B &...y){
		return read(x)&&read(y...);
	}
	template<typename A>
	inline bool write (A x) {
		if (!x) putc ('0'); if (x < 0) putc ('-'), x = -x;
		while (x) qu[++ qr] = x % 10 + '0',  x /= 10;
		while (qr) putc (qu[qr --]);
		return 0;
	}
	inline bool write (char x) {
		putc(x);
		return 0;
	}
	inline bool write(const char *x){
		while(*x){putc(*x);++x;}
		return 0;
	}
	inline bool write(char *x){
		while(*x){putc(*x);++x;}
		return 0;
	}
	template<typename A,typename ...B>
	inline bool write(A x,B ...y){
		return write(x)||write(y...);
	}
	//no need to call flush at the end manually!
	struct Flusher_ {~Flusher_(){flush();}}io_flusher_;
}
using io :: read;
using io :: putc;
using io :: write;
int fpm(int a,int b,int p){
	a%=p;
	int c=1;
	for(;b;b>>=1,a=a*a%p)if(b&1)c=c*a%p;
	return c;
}
int xfpm(int a,int b){
	if(a==1||(a<4 && b==1))return fpm(a,b,4);
	else return fpm(a,b,4)+4;
}
signed main(){
#ifdef QAQAutoMaton 
	freopen("B.in","r",stdin);
	freopen("B.out","w",stdout);
#endif
	int a,b,c;
	read(a,b,c);
	a%=10;
	/*for(int i=1;i<10;++i){
		write(i,i*i%10,i*i*i%10,i*i*i*i%10,i*i*i*i*i%10,'\n');
	}*/
	write(fpm(a,xfpm(b,c),10),'\n');
	return 0;
}



#include<bits/stdc++.h>

using namespace std;
typedef long long int ll;

ll quickpow(ll a,ll b,ll mod)
{
    ll res=1;
    while(b)
    {
        if(b&1)
        {
            res=res*a%mod;
        }
        b=b/2;
        a=a*a%mod;
    }
    return res%mod;
}
int aa[10][10];
int main()
{
    aa[0][0]=1;aa[0][1]=1;
    aa[1][0]=4;aa[1][1]=2;aa[1][2]=4;aa[1][3]=8;aa[1][4]=6;
    aa[2][0]=4;aa[2][1]=3;aa[2][2]=9;aa[2][3]=7;aa[2][4]=1;
    aa[3][0]=2;aa[3][1]=4;aa[3][2]=6;
    aa[4][0]=1;aa[4][1]=5;
    aa[5][0]=1;aa[5][1]=6;
    aa[6][0]=4;aa[6][1]=7;aa[6][2]=9;aa[6][3]=3;aa[6][4]=1;
    aa[7][0]=4;aa[7][1]=8;aa[7][2]=4;aa[7][3]=2;aa[7][4]=6;
    aa[8][0]=2;aa[8][1]=9;aa[8][2]=1;

   ll x,y,z;
   cin>>x>>y>>z;
   int t1=z%10;
   int t2=y%10;

   int t3=x%10;
   if(t3==0){printf("0\n");return 0;}

   ll t4= quickpow(y,z,aa[t3-1][0]);
   //printf("%d %d\n",t3-1,t4);
   //printf("%d %d\n",aa[t3-1][t4],aa[1][0]);
   if(t4==0){t4=aa[t3-1][0];}

   int ans=aa[t3-1][t4];

printf("%d",ans);

   return 0;
}
