#include <iostream>
#include <cstdio>
#include <math.h>


using namespace std;

int n,liczba,c;
float sn=0,fx;

int main()
{
cin>>n;

for(int i=1; i<=n; i++)
{

while(1)
{
c=i/2;
if (c=1){
fx=i*i;
cout<<"i=  "<<i<<endl<<"    fx= "<<fx<<endl; break;
}
else if (c=0){
fx=i+100;
cout<<"i=  "<<i<<endl<<"    fx= "<<fx<<endl;} break;
}
sn=sn+fx;
}

cout<<"suma= "<<sn;

   system("PAUSE");
   return 0;

}