using System;
using System.Collections.Generic;
using System.Linq;
using static AtCoderProject.Utility;
using BigInteger = System.Numerics.BigInteger;
using BitArray = System.Collections.BitArray;
using IEnumerable = System.Collections.IEnumerable;
using IEnumerator = System.Collections.IEnumerator;
using TextReader = System.IO.TextReader;

namespace AtCoderProject
{
    public class Program
    {
        public object Calc()
        {
            var N = consoleReader.Int;
            var M = consoleReader.Int;

            var unionField = new UnionField(N);
            long count = (long)N * (N - 1) / 2;

            var result = new Stack<long>(M);
            result.Push(count);
            foreach (var line in consoleReader.Repeat(M).Select(cr => cr.Split.Int0).Skip(1).Reverse())
            {
                var x = line[0];
                var y = line[1];

                
                count -= unionField.Comb(x, y);

                result.Push(count);
                unionField.UnionSet(x, y);
            }

            return AllLines(result);
        }
        class UnionField
        {
            int[] data;
            public UnionField(int size)
            {
                this.data = Enumerable.Repeat(-1, size).ToArray();
            }

            public int Root(int x)
            {
                if (data[x] < 0) return x;
                return data[x] = Root(data[x]);
            }
            public long Comb(int x,int y)
            {
                var xRoot = Root(x);
                var yRoot = Root(y);
                if (xRoot == yRoot) return 0;
                return data[xRoot] * data[yRoot];

            }
            public int Count(int x) => -data[Root(x)];
            public void UnionSet(int x, int y)
            {
                var xRoot = Root(x);
                var yRoot = Root(y);
                if (xRoot == yRoot) return;
                else if (data[yRoot] < data[xRoot])//y側の方が多い場合は逆にする
                {
                    var tmp = yRoot;
                    yRoot = xRoot;
                    xRoot = tmp;
                }
                data[xRoot] += data[yRoot];
                data[yRoot] = xRoot;
            }
            public bool findSet(int x, int y) => Root(x) == Root(y);
        }

        #region いつもの
        private readonly ConsoleReader consoleReader;
        public Program(ConsoleReader consoleReader) { this.consoleReader = consoleReader; }
        static void Main() => Console.WriteLine(new Program(new ConsoleReader(Console.In)).Calc()); static string AllLines<T>(IEnumerable<T> source) => string.Join("\n", source);
    }

    public class ConsoleReader
    {
        private string[] ReadLineSplit() => textReader.ReadLine().Split(Array.Empty<char>(), StringSplitOptions.RemoveEmptyEntries);
        private string[] line = Array.Empty<string>();
        private int linePosition;
        private TextReader textReader;
        public ConsoleReader(TextReader tr) { textReader = tr; }
        public int Int => int.Parse(String);
        public long Long => long.Parse(String);
        public double Double => double.Parse(String);
        public string String
        {
            get
            {
                if (linePosition >= line.Length)
                {
                    linePosition = 0;
                    line = ReadLineSplit();
                }
                return line[linePosition++];
            }
        }
        public class SplitLine
        {
            public SplitLine(ConsoleReader cr) { String = cr.ReadLineSplit(); cr.line = Array.Empty<string>(); }
            public int[] Int => String.Select(x => int.Parse(x)).ToArray();
            public int[] Int0 => String.Select(x => int.Parse(x) - 1).ToArray();
            public long[] Long => String.Select(x => long.Parse(x)).ToArray();
            public double[] Double => String.Select(x => double.Parse(x)).ToArray();
            public string[] String { get; }
        }
        public SplitLine Split => new SplitLine(this);
        public class RepeatReader : IEnumerable<ConsoleReader>
        {
            ConsoleReader cr; int count;
            public RepeatReader(ConsoleReader cr, int count) { this.cr = cr; this.count = count; }
            public IEnumerator<ConsoleReader> GetEnumerator() => Enumerable.Repeat(cr, count).GetEnumerator();
            System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() => GetEnumerator();

            public IEnumerable<string> String => this.Select(cr => cr.String);
            public IEnumerable<int> Int => this.Select(cr => cr.Int);
            public IEnumerable<int> Int0 => this.Select(cr => cr.Int - 1);
            public IEnumerable<long> Long => this.Select(cr => cr.Long);
            public IEnumerable<double> Double => this.Select(cr => cr.Double);
        }
        public RepeatReader Repeat(int count) => new RepeatReader(this, count);
    }
    public static class Utility
    {
        public static IComparer<T> ReverseComparer<T>() where T : IComparable<T>
            => Comparer<T>.Create((x, y) => y.CompareTo(x));
    }
    #endregion

}

Measured memory_bytes: 34104