const readline = require('readline');
const rl = readline.createInterface({
input:process.stdin,
output:process.stdout
});
rl.on('line',(line)=>{
let str = line;
console.log(str.match(/[a-zA-Z]+/g).reverse().join(' '))
// console.log(str.split(/[^a-zA-Z]+/).reverse().join(' '))
})

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