fun main() {
    val L = readLine()!!.toInt() 
    val N = readLine()!!.toInt() 
    val W = readLine()!!.split(" ").map(String::toInt)

    var dp = Array(W.size + 1) { Array(L + 1){ 0 to 0 } }

    for(i in 1..W.size) for(k in 0..L) {
        if(W[i-1] + dp[i-1][k].first <= k){
            dp[i][k] = (dp[i-1][k].first + W[i-1] to dp[i-1][k].second + 1)
        }else{
            dp[i][k] = dp[i-1][k]
        }
    }

    println(dp.map{ it.maxBy{ it.second }!!.second }.max())
}