import std.stdio, std.string, std.conv;
import std.range, std.algorithm, std.array, std.typecons, std.container;
import std.math, std.numeric, core.bitop;

enum inf = 1_001_001_001;
enum infl = 1_001_001_001_001_001_001L;
enum mod = 1_000_000_007L;

void main() {
    int n;
    scan(n);
    int a, b;
    scan(a, b);
    auto p = readln.split.to!(int[]);
    auto c = new int[](3);

    foreach (pi ; p) {
        if (pi <= a) {
            c[0]++;
        }
        else if (pi <= b) {
            c[1]++;
        }
        else {
            c[2]++;
        }
    }

    int ans = c.reduce!min;

    writeln(ans);
}


void scan(T...)(ref T args) {
    import std.stdio : readln;
    import std.algorithm : splitter;
    import std.conv : to;
    import std.range.primitives;

    auto line = readln().splitter();
    foreach (ref arg; args) {
        arg = line.front.to!(typeof(arg));
        line.popFront();
    }
    assert(line.empty);
}

void fillAll(R, T)(ref R arr, T value) {
    static if (is(typeof(arr[] = value))) {
        arr[] = value;
    }
    else {
        foreach (ref e; arr) {
            fillAll(e, value);
        }
    }
}

bool chmin(T, U...)(ref T x, U args) {
    bool isChanged;

    foreach (arg ; args) {
        if (x > arg) {
            x = arg;
            isChanged = true;
        }
    }

    return isChanged;
}

bool chmax(T, U...)(ref T x, U args) {
    bool isChanged;

    foreach (arg ; args) {
        if (x < arg) {
            x = arg;
            isChanged = true;
        }
    }

    return isChanged;
}

long powmod(long x, long y, long mod = 1_000_000_007L) {
    long res = 1L;

    while (y > 0) {
        if (y & 1) {
            (res *= x) %= mod;
        }
        (x *= x) %= mod;
        y >>= 1;
    }

    return res;
}