public class ChangSuShu{

public boolean cheksushu(int temp){
    int k=(int)Math.sqrt(temp);
    boolean flag=true;
    for(int i=2;i<=k;i++){
     if(temp%i!=0) 
     continue;
     else{
      flag=false;
      i=k+1;
      }
    }
   return flag;
}

public void changsushu(){
   int Num,i;
   for(Num=6;Num<=100;Num+=2){
    i=2;
    while(i<Num){
       i++;
    if(cheksushu(i)) ;
    else continue; 
    if(!cheksushu(Num-i)) continue;
    else System.out.println("Num="+i+"+"+(Num-i));
    break;
    }
   }
}

public static void main(String[] args){
   ChangSuShu obj=new ChangSuShu();
      obj.changsushu();
   }  
}