import std;

bool isPrime(int n) {
    if (n == 2) return true;
    if (n % 2 == 0) return false;
    for (int i = 3; i * i <= n; i += 2) {
        if (n % i == 0) return false;
    }
    return true;
}

int nextPrimeDistance(int n) {
    if (n == 1 || n == 2) return 0;
    if (n % 2 == 0) return isPrime(n+1) ? 0 : 2;
    return 1;
}

void calc(int y, int x) {
    if (isPrime(y) && isPrime(x)) {
        writeln("Second");
        return;
    }

    int d = nextPrimeDistance(y) + nextPrimeDistance(x);
    if (d % 2 == 1) writeln("First");
    else writeln("Second");
}

void main() {
    int y, x; scan(y, x);
    calc(y, x);
}

void scan(T...)(ref T a) {
    string[] ss = readln.split;
    foreach (i, t; T) a[i] = ss[i].to!t;
}
T read(T)() { return readln.chomp.to!T; }
T[] reads(T)() { return readln.split.to!(T[]); }
alias readint = read!int;
alias readints = reads!int;