/* 标题应该更贴紧内容，并与其他块区分，margin 值要相应做优化 */
h1,h2,h3,h4,h5,h6 {
    line-height:1;font-family:Arial,sans-serif;margin:1.4em 0 0.8em;
}
h1{font-size:1.8em;}
h2{font-size:1.6em;}
h3{font-size:1.4em;}
h4{font-size:1.2em;}
h5,h6{font-size:1em;}

/* 现代排版：保证块/段落之间的空白隔行 */
.typo p, .typo pre, .typo ul, .typo ol, .typo dl, .typo form, .typo hr {
    margin:1em 0 0.6em;
}
    

        
            #include< bits/stdc++.h>
            using namespace std;
            int mian() {
                cout << "hello world!" << endl;
                return 0;
            }
        
    

        
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner cin = new Scanner(System.in);
        System.out.println(cin.nextLong() + cin.nextLong());
        cin.close();
    }
}