#include<iostream>
usingnamespace std;
int Average(int array_a[20], int downborder){
int e=1;
for (int i=2; i<downborder; i++)
{
if (downborder%i==0)
{
downborder+=1;
}
else{e+=1;}
}
return e;
}
int main(){
int db=2;
int array_m[20];
cout<<Average(field,sm);
system("PAUSE");
return 0;
}