#include <iostream>

using namespace std;

struct focus{
    int index=1;
    int length=1;
};

int main()
{
    int n, t, ert;
    focus e0, e2, maxi;
    cin>>n;
    cin>>t;
    ert=t;
    for(int i=2;i<=n;i++){
        cin>>t;
        if(ert-t==0){
            e0.length++;
            e2.length++;
            if(e2.length>maxi.length){
                maxi.index=e2.index;
                maxi.length=e2.length;
            }
            if(e0.length>maxi.length){
                maxi.index=e0.index;
                maxi.length=e0.length;
            }
            continue;
        }
        if(ert-t==1){
            swap(e0, e2);
            e0.length=1;
            e0.index=i;
            e2.length++;
            ert=t;
            if(e2.length>maxi.length){
                maxi.index=e2.index;
                maxi.length=e2.length;
            }
            continue;
        }
        if(ert-t==-1){
            swap(e0, e2);
            e2.length=1;
            e2.index=i;
            e0.length++;
            ert=t;
            if(e0.length>maxi.length){
                maxi.index=e0.index;
                maxi.length=e0.length;
            }
            continue;
        }
        ert=t;
        e0.length=1;
        e2.length=1;
        e0.index=i;
        e2.index=i;

    }
    cout<<maxi.length<<' '<<maxi.index;

    return 0;
}