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65-1import java.util.Scanner;
public class Main{
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int M = sc.nextInt();
int N = sc.nextInt();
int sum=0, count=0;
int min=10000;
if(M>N){
System.out.println("M은 N보다 작거나 같아야함");
}else{
if(M>0 && M<=10000 && N>0 && N<=10000){
for(int i=M; i<=N; i++){
for(int k=2; k<i; k++){
if(i%k==0){
count++;
}
}
if(count==0){
sum+=i;
if(min>i){
min=i;
}
}
count=0;
}
if(sum==0){
System.out.println(-1);
}
System.out.println(sum);
System.out.println(min);
}
}
}
}