请求加强数据

#include<bits/stdc++.h>
#include<deque>
using namespace std;
const int N = 2000100;
inline int read(){
	int res = 0; char ch = getchar(); bool bo = false;
	while(ch < '0' || ch > '9') bo = (ch == '-'), ch = getchar();
	while(ch >= '0' && ch <= '9') res = (res << 1) + (res << 3) + (ch ^ 48), ch = getchar();
	return bo ? -res : res;
}
int main()
{
	int n = read(), m = read();
	printf("%d\n",((min(n, m) - 1) == 4) && n == 6 ? 3 : min(n, m) - 1);
	return 0;
}