import java.util.*;

import java.lang.*;

import java.io.*;

class MyChef {

public static void main(String[] args) throws java.lang.Exception {

try {

FastReader sc = new FastReader();

PrintWriter pw = new PrintWriter(System.out);

int t = sc.nextInt();

while (t-- != 0) {

int n = sc.nextInt();

int m = sc.nextInt();

}

pw.flush();

} catch (Exception e) {

return;

}

}

static class FastReader {

BufferedReader br;

StringTokenizer st;

public FastReader() {

br = new BufferedReader(

new InputStreamReader(System.in));

}

String next() {

while (st == null || !st.hasMoreElements()) {

try {

st = new StringTokenizer(br.readLine());

} catch (IOException e) {

e.printStackTrace();

}

}

return st.nextToken();

}

int nextInt() {

return Integer.parseInt(next());

}

long nextLong() {

return Long.parseLong(next());

}

double nextDouble() {

return Double.parseDouble(next());

}

String nextLine() {

String str = "";

try {

str = br.readLine();

} catch (IOException e) {

e.printStackTrace();

}

return str;

}

}

}