const input = require('fs').readFileSync('/dev/stdin', 'utf8');

const arr = input.split(' ');
let A = parseInt(arr[0]);
let B = parseInt(arr[1]);
let reg = new RegExp()


for(let i = A; i <= B; i++) {
    //console.log(i + '\n');
    if(i % 3 === 0) {
        //console.log(i + '\n');
        //console.log(String(i));
    }
    if ((i % 3 === 0) || String(i).indexOf("3") !== -1) {
        console.log(i + '\n');
        //console.log('if文に入りました');
    }
}