#define mod 1999999973
#include<stdio.h>
long long int putere(long long int a, long long int b)
{
	long long int rezultat=1;
	while(b)
	{
		if(b%2)
			rezultat=(a*a)%mod;
		a=rezultat;
		b\=2;
	}
	return rezultat;
}
int main()
{
	FILE *f=fopen("lgput.in","r"),*g=fopen("lgput.out","w");
	long long int a,b;
	fscanf(f,"%dll %dll", &a, &b);
	fprintf(g,"%dll", putere(a,b));
	fclose(f);
	fclose(g);
	return 0;
}