import java.util.*;

class Test{
    public static void main(String[] args){        
        Test.test(3);
    }
    
    public static void test(int x){
        int sum = 0;
        Scanner input = new Scanner(System.in);

        for(int i = 1; i <= x; i++){
            System.out.print("请再输入第"  + i + "个正整数：");
                sum += input.nextInt();
        }
        
        System.out.println("您输入的" + x + "个整数的和为：" + sum);//输出最后一次的和就是总和
    }
}