[백준] 2581번 : 소수 - C#

https://www.acmicpc.net/problem/2581

using System;

class Program
{
    static void Main() {
        string s=Console.ReadLine();
        string s1=Console.ReadLine();
        int m=int.Parse(s);
        int n=int.Parse(s1);
        int min=10000;
        int sum=0;
        int count=0;
        for(int i=m;i<=n;i++){
            if(i==1) count=1;
            for(int j=2;j<i;j++){
                if(i%j==0) count=1;
            }
            if(count==0){
                sum+=i;
                if(i<=min) min=i;
            }
            count=0;
        }
        if(sum==0) Console.Write("-1");
        else{
            Console.WriteLine(sum);
            Console.Write(min);
        } 
    }
}