package?com.imooc.eleven;

/**
?*?Created?by?junfeng?on?17/4/11.
?*/
public?class?WeekDemo1?{

????public?static?void?main(String[]?args)?{

???????//?System.out.println(1453%10);
????????int?sum?=0;
????????int?n=0;
????????for?(int?i=3;i<=1000;i++){
????????????if?(i%10==3&&isPrime(i)){
????????????????sum?+=?i;
????????????????n++;
????????????}
????????}

????????System.out.println(sum);
????????System.out.println(n);
????}


????public?static?boolean?isPrime(int?n){
????????for(int?i=2;i<=n/2;i++){
????????????if(n%i?==?0)
????????????????return?false;
????????}
????????return?true;
????}

}