#include<cstdio>
long long y=1,x;
int o,l,N=1999999973,p;
char r[22];
long long A()
{
  	long long s=0;
  	for(;r[o]<'0'||r[o]>'9';o++);
  	for(;r[o]>='0'&&r[o]<='9';o++)
  		s=s*10+r[o]-'0';
  	return s;
}
void S(long long x)
{
    int i,d=x>999999999?10:x>99999999?9:x>9999999?8:x>999999?7:x>99999?6:x>9999?5:x>999?4:x>99?3:x>9?2:1;
    for(i=d-1;i>=0;x/=10,i--)
        r[l+i]=x%10+48;
    l+=d;
}
int main()
{
    freopen("lgput.in","r",stdin),freopen("lgput.out","w",stdout),fread(r,1,100,stdin),x=A(),p=A();
    for(;p;p>>=1,x=(x*x)%N)
        if(p&1)
            y=(x*y)%N;
    S(y),fwrite(r,1,l,stdout);
}