import std.stdio, std.string, std.conv, std.array, std.algorithm; import std.uni, std.range, std.math, std.container, std.datetime; import core.bitop, std.typetuple, std.typecons; immutable long MOD = 1_000_000_007; alias tie = TypeTuple; void main(){ int a, b; readVars(a, b); auto dif = b - a; string ans; if (dif > 0) ans ~= "+"; ans ~= dif.to!string; writeln(ans); } void readVars(T...)(auto ref T args){ auto line = readln.split; foreach(ref arg ; args){ arg = line.front.to!(typeof(arg)); line.popFront; } if(!line.empty){ throw new Exception("args num < input num"); } }