ABC096A - Day of Takahashi

問題：A - Day of Takahashi

#include <iostream>
using namespace std;

int main(void) {
    int a, b;

    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> a >> b;
    cout << (a <= b? a : a - 1) << "\n";
    return 0;
}