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Cod sursa(job #422053)
#include <fstream>
#define MODULO 1999999973LL
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
long long n,p;
long long po(long long n, long long p)
{
if(p==0)
return 1;
if(p%2)
{
long long k;
k = po(n,(p-1)/2);
k = (k*k)%MODULO;
return (n*k)%MODULO;
}
//return (n*po(n,(p-1)/2)*po(n,()))%MODULO;
else
{
long long k;
k=po(n,p/2);
return (k*k)%MODULO;
}
}
int main()
{
in>>n>>p;
out<<po(n,p)%MODULO;
return 0;
}