#include <bits/stdc++.h>
#pragma message("Compiling at: " __TIMESTAMP__ ". Executing File: " __FILE__ ". If this date is not the same as the submission date, it could be an indication that the submission was rejudged.")
//I'm not 100% sure if these do anything on DMOJ.
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
#define ll long long
#define lp pair<ll,ll>
#define ld long double
// ORZ Template 1.1 | DO NOT modify these lines! clion will crash! | IO Operations: > read < write >= read line
static struct IO {
#define _1 static inline
#define _2 inline IO& operator
#define _3 return *this
#define _4 int c=gc();while(c<=' ')c=gc();bool __=(c == '-');if(__)c=gc();do{_=_*10+c-'0';}while((c=gc()) >='0'&&c<='9');
#define _5(x) _2<(x &s){for(char i:to_string(s))pc(i);_3;}
#define _6(x,y) _2>(x &s) {y(s);_3;}
#ifdef _getchar_nolock
#define gc _getchar_nolock
#define pc(x) _putchar_nolock(x)
#else
#define gc getchar_unlocked
#define pc(x) putchar_unlocked(x)
#endif
_1 void _nl(ll &_){_=0;_4 if(__)_=-_;}
_1 void _ni(int &_){_=0;_4 if(__)_=-_;}
_1 void _nd(ld &_){_=0;ld div=1;_4 if(c=='.'){while((c=gc())>='0'&&c<='9')_+=(c-'0')/(div*=10);}if(__)_=-_;}
_1 void _nt(string &s){int c=gc();while(c<=' ')c=gc();do s.push_back(c);while((c=gc())>' ');}
_1 void _nln(string &s){int c;while((c=gc())!=EOF){if(c == 10)break;s.push_back(c);}};
_2>(char &s){s = gc();_3;} _2>=(char &s){s = gc();while(s == ' '||s=='\n')s = gc();_3;} _6(string,_nt); _6(ld,_nd); _6(ll,_nl);
_6(int,_ni);_2>=(string &s){_nln(s);_3;};_5(const int);_5(const ll);_5(const ld);
_5(const unsigned int);_5(const unsigned ll);_2<(const string& s){for(char i:s)pc(i);_3;};;_2<(const char& s){pc(s);_3;}}io;
inline void setbit(ll &mask,int idx,bool bit){if(bit){mask=mask|(1<<idx);}else{mask=mask&~(1<<idx);}}
inline bool getbit(ll mask,int idx){return(mask>>idx)&1;}
inline ll gcd(ll a,ll b){return b==0?a:gcd(b,a%b);}
inline ll lcm(ll a,ll b){return a*b/gcd(a,b);}
int main()
{
    // https://dmoj.ca/problem/aplusb
    int n;
    io > n;
    while(n--){
        int a,b;
        io > a > b;
        io < (a+b) < '\n';
    }
    return 0;
}

import java.io.*;
import java.nio.*;
import java.nio.channels.*;
// --- Fast Stream Utilities by [Encodeous / Adam Chen] (BETA VERSION 3) ---
class FSU implements Flushable,Closeable{public ReadableByteChannel inputStream;public WritableByteChannel outputStream;public final int bufferSize;public ByteBuffer readBuffer;public ByteBuffer writeBuffer;private int bytesAvailable=0;private boolean closed=false;public FSU(){this(4096);}
    public FSU(int buffer){this(System.in,System.out,buffer);}
    public FSU(InputStream istream,OutputStream ostream,int buffer){inputStream=Channels.newChannel(istream);outputStream=Channels.newChannel(ostream);bufferSize=buffer;readBuffer=ByteBuffer.allocateDirect(buffer);writeBuffer=ByteBuffer.allocateDirect(buffer);}
    public void printAll(Object...validObjects)throws IOException{for(int i=0;i<validObjects.length;i++){print(validObjects[i]);}}
    public void printAllLines(Object...validObjects)throws IOException{for(int i=0;i<validObjects.length;i++){print(validObjects[i]);println();}}
    public void flushBuffer()throws IOException{writeBuffer.flip();outputStream.write(writeBuffer);writeBuffer.clear();}
    public void fillBuffer()throws IOException{readBuffer.clear();bytesAvailable=inputStream.read(readBuffer);readBuffer.position(0);}
    public byte nextByte()throws IOException{if(closed)throw new IOException("FastStreamUtilities Is Already Closed");if(readBuffer.position()>=bytesAvailable)fillBuffer();if(bytesAvailable==0)return-1;return readBuffer.get();}
    public String nextToken()throws IOException{StringBuilder sb=new StringBuilder();byte c=nextByte();while(c<=' ')c=nextByte();do{sb.append((char)c);}while((c=nextByte())>' ');return sb.toString();}
    public long nextLong()throws IOException{long ret=0;byte c=nextByte();while(c<=' ')
        c=nextByte();boolean neg=(c=='-');if(neg)
        c=nextByte();do{ret=ret*10+c-'0';}while((c=nextByte())>='0'&&c<='9');if(neg)
        return-ret;return ret;}
    public double nextDouble()throws IOException{double ret=0,div=1;byte c=nextByte();while(c<=' ')
        c=nextByte();boolean neg=(c=='-');if(neg)
        c=nextByte();do{ret=ret*10+c-'0';}while((c=nextByte())>='0'&&c<='9');if(c=='.'){while((c=nextByte())>='0'&&c<='9'){ret+=(c-'0')/(div*=10);}}
        if(neg)
            return-ret;return ret;}
    public int nextInt()throws IOException{int ret=0;byte c=nextByte();while(c<=' ')
        c=nextByte();boolean neg=(c=='-');if(neg)
        c=nextByte();do{ret=ret*10+c-'0';}while((c=nextByte())>='0'&&c<='9');if(neg)
        return-ret;return ret;}
    public char nextChar()throws IOException{return(char)nextByte();}
    public String nextLine()throws IOException{StringBuilder sb=new StringBuilder();byte c;while((c=nextByte())!=-1){if(c==10)
        break;sb.append((char)c);}
        return sb.toString();}
    public void writeByte(byte b)throws IOException{if(writeBuffer.position()>=bufferSize){flushBuffer();}
        writeBuffer.put(b);}
    public void writeBytes(byte[]arr)throws IOException{if(writeBuffer.remaining()<arr.length){for(int i=0;i<arr.length;i++){writeByte(arr[i]);}}else{writeBuffer.put(arr);}}
    public void print(Object s)throws IOException{writeBytes(s.toString().getBytes());}
    public void println(Object s)throws IOException{writeBytes(s.toString().getBytes());writeByte((byte)10);}
    public void println()throws IOException{writeByte((byte)10);}@Override
    public void flush()throws IOException{flushBuffer();}@Override
    public void close()throws IOException{flush();inputStream.close();outputStream.close();closed=true;}
}