#include <iostream>
#include <vector>
#include <fstream>

int main() {

    srand(time(NULL));

    std::vector<int> vec(100);

    for (int i = 0; i < 100; i++) {
        vec[i] = rand() % 100;
    }

    int sum = 0;

    for (int i = 0; i < 10; i++) {
        sum += vec[i];
    }

    int max_sum = sum, max_index = 0;

    for (int i = 0; i < 90; i++) {
        sum = sum - vec[i] + vec[i + 10];
        if (sum > max_sum) {
            max_sum = sum;
            max_index = i + 1;
        }
    }
    std::cout << max_index << " " << max_index + 9 << std::endl;


}