#include <cmath>
#include <iomanip>
#include <iostream>
using namespace std;
int main ()
{
double k=0;
double a=0;
double e=0.001;
double sum = 0;
do
{
sum = sum + a;
k = k + 1;
a = (cos(k*k)*sin((2*k)-1) + 4.29)/k;
}
while(e < fabs(a));
cout<<"Sum : "<<sum<<endl;
cout<<"Num of interations : "<<setprecision(0)<<k<<endl;
return 0;
}