const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;

void async function () {
    // Write your code here
    let line = await readline()
    line = line.split(' ').map(a=>parseInt(a)).sort((a,b)=>a-b)
    console.log(line[0])

}()

简单来说就是,寻找木桶的短板啊