채우다

https://www.acmicpc.net/problem/11022

import java.util.*;
import java.io.*;

class Main{
    public static void main(String[]args) throws IOException{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        
        int num = Integer.parseInt(br.readLine());
        
        for (int i=0;i<num;i++){
            StringTokenizer st = new StringTokenizer(br.readLine());
            int a = Integer.parseInt(st.nextToken());
            int b = Integer.parseInt(st.nextToken());
            String result = "Case #"+(i+1)+": "+a+" + "+b+" = "+(a+b);
            bw.write(result+"\n");
        }
       br.close();
       bw.flush();
       bw.close();
           
    }
}

https://www.acmicpc.net/problem/11021

import java.util.*;
import java.io.*;

class Main{
    public static void main(String[]args){
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        
        for(int i=1;i<a+1;i++){
            int num1 = sc.nextInt();
            int num2 = sc.nextInt();
            System.out.println("Case #"+i+": "+(num1+num2));

        }
    }
}

https://www.acmicpc.net/problem/10950

import java.util.*;

class Main{
    public static void main(String[]args){
        Scanner sc = new Scanner(System.in);
        int cnt = sc.nextInt();
        for(int i =0;i<cnt;i++){
            int a = sc.nextInt();
            int b = sc.nextInt();
            System.out.println(a+b);
        }
    }
}

A=int(input())
B=int(input())

print(A+B)

https://www.acmicpc.net/problem/2558

https://www.acmicpc.net/problem/1000

A,B =  input().split()
print(int(A)+int(B))

https://www.acmicpc.net/problem/1000

import java.util.*;

class Main{
    public static void main(String []args){
    Scanner sc = new Scanner(System.in);
    int a = sc.nextInt();
    int b = sc.nextInt();
    System.out.println(a+b);
    
    }
}