#include <bits/stdc++.h>
#include "testlib.h"
using namespace std;
using ll = long long;

int main(int argc,char** argv){
    registerValidation(argc, argv);
    ll N = inf.readInt(1, 500000, "N");
    inf.readSpace();
    ll Q = inf.readInt(1, 100000, "Q");
	inf.readEoln();
    for (ll i = 0; i < Q;i++){
        ll L = inf.readInt(1, N, "L");
        inf.readSpace();
        ll R = inf.readInt(L, N, "R");
		inf.readEoln();
    }
    inf.readEof();
}