import std.algorithm;
import std.array;
import std.conv;
import std.math;
import std.range;
import std.stdio;
import std.string;
import std.typecons;

T read(T)() { return readln.chomp.to!T; }
T[] reads(T)() { return readln.split.to!(T[]); }
alias readint = read!int;
alias readints = reads!int;

void main() {
    int n = readint;
    auto dx = readints;
    int d = dx[0], x = dx[1];
    int[] a;
    for (int i = 0; i < n; i++) {
        a ~= readint;
    }

    int ans = x;
    for (int i = 0; i < n; i++) {
        int p = 1;
        while (p <= d) {
            ans++;
            p += a[i];            
        }
    }
    writeln(ans);
}
