문제
풀이
#include <algorithm>
#include <iostream>
using namespace std;
void solve(void) {
int n, m; cin >> n >> m;
if (n == 1) cout << 1;
else if (n == 2) cout << min(4, (m + 1) / 2);
else if (m < 7) cout << min(4, m);
else cout << m - 2;
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}