JavaScript ACM模式

const readline = require('readline');

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
});

function processInput() {
    rl.on('line', (input) => {
        //const [a,b] = input.split(' ').map(Number);

        //const sum = a + b;
        //console.log(sum);
    })
}

processInput();