local ffi = require 'ffi'
local C = ffi.C

ffi.cdef [[
unsigned long strtoul(const char *, char **, int);
int printf(const char *, ...);
]]

C.printf("%ld\n", (function (f, x, _, s)
	local b,m,t=x+0ULL,1000003ULL,0ULL
	for e in s:gmatch("%d+") do t=t+f(b,C.strtoul(e,nil,10),m) end
	return t%m
end)(function (b, e, m)
	local r=1ULL
	while e~=0ULL do if e%2ULL~=0ULL then r=r*b%m end b,e = b*b%m,e/2ULL end
	return r
end, io.stdin:read("*n"), io.stdin:read("*l"), io.stdin:read("*l")))