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Cod sursa(job #404896)
#include<fstream.h>
#define rest 1999999973
long long n;
long long calcul (long long p)
{
long long nr;
if (p==1)
return n; else
if (p%2==1)
{
nr=calcul((p-1)/2);
return (n*((nr*nr)%rest))%rest;
} else
{
nr=calcul(p/2);
return (nr*nr)%rest;
}
}
int main()
{
long long p;
ifstream fin("lgput.in");
fin>>n>>p;
ofstream fout("lgput.out");
fout<<calcul(p);
fin.close();
fout.close();
return 0;
}