#include
#include
int is_prime(int n){
int i=0;
if(n%2==0){
return 0;
}
for(i=3;i<=sqrt((double)n);i+=2){
if(n%i==0)
return 0;
}
return n;
}
void main(){
int i=0;
int sum=0;
for(i=3;i<=100;i++){
sum+=is_prime(i);
}
printf("the prime number between 3 and 100 sum is:%d\n",sum);
}