import java.io.*;
import java.util.*;

public class Main {
    static final int MOD = 1000000007;
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        int w = sc.nextInt();
        long k = sc.nextLong();
        int[] nexts = new int[n];
        for (int i = 0; i < n; i++) {
            nexts[i] = sc.nextInt();
        }
        int[] dp = new int[w * 2 + 1];
        dp[0] = 1;
        for (int i = 0; i < w * 2; i++) {
            if (i == w) {
                continue;
            }
            for (int x : nexts) {
                if (i + x <= w * 2) {
                    dp[i + x] += dp[i];
                    dp[i + x] %= MOD;
                }
            }
        }
        long[][][] matrix = new long[60][2][2];
        matrix[0] = new long[][]{{0, 1}, {dp[w * 2], dp[w]}};
        for (int i = 1; i < 60; i++) {
            for (int a = 0; a < 2; a++) {
                for (int b = 0; b < 2; b++) {
                    for (int c = 0; c < 2; c++) {
                        matrix[i][a][c] += matrix[i - 1][a][b] * matrix[i - 1][b][c];
                        matrix[i][a][c] %= MOD;
                    }
                }
            }
        }
        long[] ans = new long[]{1, dp[w]};
        for (int i = 59; i >= 0; i--) {
            if (k < (1L << i)) {
                continue;
            }
            k -= (1L << i);
            long[] tmp = new long[2];
            for (int a = 0; a < 2; a++) {
                for (int b = 0; b < 2; b++) {
                    tmp[a] += matrix[i][a][b] * ans[b];
                    tmp[a] %= MOD;
                }
            }
            ans = tmp;
        }
        System.out.println(ans[0]);
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public String next() throws Exception {
        while (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
    
}