// 高精度算法
const readline = require('readline').createInterface({
    input: process.stdin,
    output: process.stdout
})

const input = []
readline.on('line', (line) => {
    input.push(line)
})

let flag = 0;
let res = []

readline.on('close',()=> {
    const arr1 = input[0].split('').map(v=> Number(v));
    const arr2 = input[1].split('').map(v=> Number(v));
    while (arr1.length > 0 || arr2.length > 0) {
        const num1 =  arr1.pop() || 0
        const num2 = arr2.pop() || 0
        const tem = num2 + num1+ flag;
        res.unshift( tem % 10)
        flag = Math.floor(tem / 10)
    }
    if(flag) res.unshift(flag);
    console.log(res.join(''));
})