๐จ ์ฐธ๊ณ ์ฝ๋
์ฝ๋
const fs = require('fs');
const [N, M] = fs.readFileSync('/dev/stdin').toString().trim().split(' ').map(Number);
let count;
if (N === 1) {
count = 1;
} else if (N === 2) {
count = Math.min(4, Math.floor((M + 1) / 2));
} else {
//4๋ฒ ์ดํ๋ก ์์ง์
if (M < 7) {
count = Math.min(4, M);
} else {
count = M - 2;
}
}
console.log(count);