#include <iostream> #include <cmath> #include <cstdio> using namespace std; long long a[1005]; int main() { int n,a[1000]; cin>>n; for (int i = 1; i <= n; i++) { cin >> a[i]; } int a,a1,a2; a = abs (a[1] - a[2]); a1=1; a2=2; for (int i = 1; i <= n; i++) { for (int j = i + 1;j <= n; j++) { a = abs (a[i] - a[j]); a1=i; a2=j; } } } cout<<a1<<" "<<a2; return 0;}