void main() { auto N = ri; string res = "A="; bool isbottom = true; bool istop = true; foreach(_; 0..2^^N) { auto arr = readAs!(int[]).map!(i => i == 1); if(arr.back) { isbottom = false; res ~= "("; foreach(i, v; arr[0..$-1].array) { if(!v) res ~= "¬"; res ~= "P_" ~ (i+1).to!string; if(i != arr.length-2) res ~= "∧"; } res ~= ")∨"; } else istop = false; } if(isbottom) writeln("A=⊥"); else if(istop) writeln("A=⊤"); else { res.popBack; res.writeln; } } // =================================== import std.stdio; import std.string; import std.functional; import std.conv; import std.algorithm; import std.range; import std.traits; import std.math; import std.container; import std.bigint; import std.numeric; import std.conv; import std.typecons; import std.uni; import std.ascii; import std.bitmanip; import core.bitop; T readAs(T)() if (isBasicType!T) { return readln.chomp.to!T; } T readAs(T)() if (isArray!T) { return readln.split.to!T; } T[][] readMatrix(T)(uint height, uint width) if (!isSomeChar!T) { auto res = new T[][](height, width); foreach(i; 0..height) { res[i] = readAs!(T[]); } return res; } T[][] readMatrix(T)(uint height, uint width) if (isSomeChar!T) { auto res = new T[][](height, width); foreach(i; 0..height) { auto s = rs; foreach(j; 0..width) res[i][j] = s[j].to!T; } return res; } int ri() { return readAs!int; } double rd() { return readAs!double; } string rs() { return readln.chomp; }