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
    while(line = await readline()){
       let str = '';
        for(let i of line) {
            if(/[^A-Za-z]$/.test(i)){
                str += " "
            }else {
                str +=i;
            }
        }
        const res =str.split(" ").reverse().join(" ");
        console.log(res);
    }
}()