#include<stdio.h>
#include<math.h>
int ss(int m)
{
int i,s,flag=1;
for(i=2;i<=s;i++)
if(m%i==0)
{
flag=0;
break;
}
return(flag);
}
int main()
{
int i,j=1,k,n=1;
int a[1000];
for(i=3;i<=1000;i+=2)
{
k=ss(i);
if(k)
{
a[j]=i;
j++;
}
}
for(i=0;i<j;i++)
{
n++;
}
}
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