import std.stdio, std.conv, std.functional, std.string; import std.algorithm, std.array, std.container, std.range, std.typecons; import std.bigint, std.numeric, std.math, std.random; import core.bitop; string FMT_F = "%.10f"; static File _f; void file_io(string fn) { _f = File(fn, "r"); } static string[] s_rd; T _RD(T = long)() { while(!s_rd.length) s_rd = readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T _RD(T = long)(File f) { while(!s_rd.length) s_rd = f.readln.chomp.split; string res = s_rd[0]; s_rd.popFront; return res.to!T; } T[] _RDA(T = long)(T fix = 0) { auto r = readln.chomp.split.to!(T[]); r[] += fix; return r; } T[] _RDA(T = long)(File f, T fix = 0) { auto r = f.readln.chomp.split.to!(T[]); r[] += fix; return r; } T RD(T = long)() { if (_f.isOpen) return _RD!T(_f); else return _RD!T; } T[] RDA(T = long)(T fix = 0) { if (_f.isOpen) return _RDA!T(_f, fix); else return _RDA!T(fix); } size_t[] MAKE_IDX(alias less = "a < b", Range)(Range range) { auto idx = new size_t[](range.length); makeIndex!(less)(range, idx); return idx;} size_t MIN_POS(alias less = "a < b", Range)(Range range) { auto r = minPos!(less)(range); return range.length - r.length; } void chmin(T)(ref T x, T y) { x = min(x, y); } void chmax(T)(ref T x, T y) { x = max(x, y); } bool inside(T)(T x, T b, T e) { return x >= b && x < e; } T lcm(T)(T x, T y) { return x * (y / gcd(x, y)); } long mod = 10^^9 + 7; //long mod = 998244353; //long mod = 1_000_003; void moda(T)(ref T x, T y) { x = (x + y) % mod; } void mods(T)(ref T x, T y) { x = ((x + mod) - (y % mod)) % mod; } void modm(T)(ref T x, T y) { x = (x * y) % mod; } void modpow(T)(ref T x, T y) { if (!y) { x = 1; return; } auto t = x; x.modpow(y>>1); x.modm(x); if (y&1) x.modm(t); } long[2][] primeFact(long x) { long[2][] ans; for (long i = 2; i*i <= x; ++i) { if (x % i != 0) continue; long r; while (x % i == 0) { ++r; x /= i; } ans ~= [i, r]; } if (x != 1) ans ~= [x, 1]; return ans; } void main() { auto N = RD; auto M = RD; auto K = RD; auto op = RD!string; auto B = new long[](M); auto A = new long[](N); foreach (i; 0..M) B[i] = RD; foreach (i; 0..N) A[i] = RD; long ans; if (op[0] == '+') { long[long] set; foreach (i; 0..M) { ++set[B[i] % K]; } foreach (i; 0..N) { auto x = K - A[i] % K; ans += set.get(x, 0); } } else { auto fact = primeFact(K); fact.sort!"a[0] > b[0]"(); long[long] set; foreach (i; 0..N) { bool ok; long x = 1; if (A[i] % K == 0) { ++set[1]; continue; } else if (K % A[i] == 0) { ++set[K / A[i]]; continue; } foreach (e; fact) { auto y = e[0]^^e[1]; if (ok) x *= y; else { if (y >= A[i]) { if (y % A[i] == 0) { ok = true; x *= y / A[i]; } else x *= y; } else if (A[i] % e[0] == 0) { ok = true; auto tmp = A[i]; long cnt; while (tmp > e[0]) { if (tmp % e[0] != 0) break; ++cnt; tmp /= e[0]; } x *= e[0]^^(e[1]-cnt); } else x *= y; } } ++set[x]; } foreach (key; set.keys) { foreach (i; 0..M) { if (B[i] % K == 0) { ans += set[key]; continue; } if (B[i] % key == 0) { ans += set[key]; debug writeln("key:", key, " B[", i, "]:", B[i]); } } } if (K == 1) ans = N * M; } writeln(ans); stdout.flush; debug readln; }