import std.stdio, std.conv, std.string; import std.array, std.range, std.algorithm, std.container; import std.math, std.random, std.bigint, std.datetime, std.format; string read(){ static string[] ss; while(!ss.length) ss = readln.chomp.split; string res = ss[0]; ss.popFront; return res; } int DEBUG_LEVEL = 0; void print()(){ writeln(""); } void print(T, A ...)(T t, lazy A a){ write(t), print(a); } void print(int level, T, A ...)(T t, lazy A a){ if(level <= DEBUG_LEVEL) print(t, a); } void main(string[] args){ if(args.length > 1 && args[1] == "-debug"){ if(args.length > 2 && args[2].isNumeric) DEBUG_LEVEL = args[2].to!int; else DEBUG_LEVEL = 1; } /* xx + yy をカウント ww - zz + D をカウント *0以上のもののみ */ long n = read.to!long; long d = read.to!long; long[long] acnt, bcnt; long xx, yy, k; foreach(x; 1 .. n + 1){ xx = x * x; foreach(y; 1 .. n + 1){ k = xx + y * y; if(k !in acnt) acnt[k] = 1; else acnt[k] += 1; } } long ans; long zz; foreach(z; 1 .. n + 1){ zz = z * z; foreach(w; 1 .. n + 1){ k = zz - w * w + d; if(k in acnt) ans += acnt[k]; } } ans.writeln; }