import std.stdio;
import std.conv;
import std.string;
import std.algorithm;
import std.range;
import std.array;

// main ====================
void main(){
  auto buf = readln.strip.split(" ").map!(to!int).array;
  auto shuffleNums = readln.strip.split(" ").map!(to!int).array;
  auto cards = iota(1, buf[0]+1).array;
  foreach(n; shuffleNums){
    cards = cards[n-1] ~ cards[0..n-1] ~ cards[n..$];
  }
  cards[0].writeln;
}