let lines = [];
let reader = require('readline').createInterface({
  input: process.stdin,
  output: process.stdout
});

reader.on('line', function(line) {
  lines.push(line);
});

reader.on('close', function() {
  let firstLine = lines[0].split(" ");
  const A = firstLine[0];
  const B = firstLine[1];

  for(let num = A; num <= B; num++) {
    if(num % 3 == 0 || num.toString(10).indexOf("3") != -1) {
      console.log(num);
    }
  }
});