#include <iostream>
#include <vector>

int main () {

    int days, jobs;
    std::cin >> days >> jobs;
    
    std::vector<int> maxProfitPerDay(days, 0);
    for (int i = 0; i < jobs; i++) {
        int dayIndex, profit;
        std::cin >> dayIndex >> profit;
        dayIndex--;
        if(profit > maxProfitPerDay[dayIndex]) {
            maxProfitPerDay[dayIndex] = profit;
        }
    }

    std::vector<int> dp(days, 0);
    dp[0] = maxProfitPerDay[0];
    dp[1] = std::max(maxProfitPerDay[0], maxProfitPerDay[1]);
    for (int i = 2; i < days; i++) {
        dp[i] = std::max(dp[i - 1], dp[i - 2] + maxProfitPerDay[i]);
    }

    int i = days - 1;
    int totalDaysWorked = 0;
    std::vector<bool> selectedDays(days, false);
    while (i >= 1) {
        if (dp[i] == dp[i -1]) {
            selectedDays[i-1] = true;
            totalDaysWorked++;
            i--;
            continue;
        }
        else{
            selectedDays[i] = true;
            totalDaysWorked++;
            i -=2;
        }
    }

    if (i == 0) {
        selectedDays[0] = true;
        totalDaysWorked++;
    }

    std::cout << dp[days - 1] << " " << totalDaysWorked << "\n";
    for (int j = 0; j < days; j++) {
        if (selectedDays[j]) {
            std::cout << (j + 1) << " ";
        }
    }



return 0;
}