【题目链接】:http://codeforces.com/contest/822/problem/A

【题意】



让你求a!和b!的gcd

min(a,b)<=12

【题解】



哪个小就输出那个数的阶乘



【Number Of WA】



0



【反思】

【完整代码】

#include <bits/stdc++.h>

using namespace std;

#define lson l,m,rt<<1

#define rson m+1,r,rt<<1|1

#define LL long long

#define rep1(i,a,b) for (int i = a;i <= b;i++)

#define rep2(i,a,b) for (int i = a;i >= b;i--)

#define mp make_pair

#define pb push_back

#define fi first

#define se second

#define ms(x,y) memset(x,y,sizeof x)

#define Open() freopen("F:\\rush.txt","r",stdin)

#define Close() ios::sync_with_stdio(0)

typedef pair<int,int> pii;

typedef pair<LL,LL> pll;

const int dx[9] = {0,1,-1,0,0,-1,-1,1,1};

const int dy[9] = {0,0,0,-1,1,-1,1,-1,1};

const double pi = acos(-1.0);

const int N = 12+5;

LL fac[N];

int main(){

    //Open();

    Close();

    fac[0] = 1;

    rep1(i,1,12)

        fac[i] = 1LL*fac[i-1]*i;

    int a,b;

    cin >> a >> b;

    cout << fac[min(a,b)] << endl;

    return 0;

}