#include <bits/stdc++.h>
using namespace std;
#define f(i,k,n) for(int i=k; i<n; i++)
#define ll long long
const int inf = INT_MAX;

void solve()
{
    int n,m;
    cin>>n>>m;
    int a[n+1]={0};
    
    int x,y;
    f(i,0,m)
    {
        cin>>x>>y;
        a[x]++;         
        a[x+1]++;
        a[y]--;
    }
    int maxi=0;
    int maxp=0;
    int c=0;
    f(i,1,n+1)
    {
        c+=a[i];
        if(maxi<c)
        {
            maxi=c;
            maxp=i;
        }
    }
    cout<<maxp<<" "<<maxi;


}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t=1;
    //cin>>t;
    while(t--)  solve();
    return 0;
}