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()){
//方法一:
// let dec=parseInt(line,16)//2,8,16进制格式的数据转换到10进制数据
//方法二:
let dec=Number(line).toString(10)//任何进制之间的转换
console.log(dec)
}
}()