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Cod sursa(job #394283)
#include <fstream>
#define MOD 666013
using namespace std;
ifstream fin("kfib.in");
ofstream fout("kfib.out");
long Fibo(unsigned long i );
unsigned long int f[1000000];
int n;
int main()
{
fin >> n;
Fibo(n);
fout << Fibo(n) % MOD;
}
long Fibo( unsigned long i )
{
if ( f[i] != 0 ) return f[i];
if( i == 0 ) return f[i]=0;
if( i == 1 ) return f[i]=1;
return f[i] = Fibo(i-1) + Fibo(i-2);
}