'use strict';
 
process.stdin.resume();
process.stdin.setEncoding('utf8');
 
var remainder = '';
 
process.stdin.on('data', function(chunk) {
  remainder += chunk;
});
 
process.stdin.on('end', function() {
  // Tách input theo dòng và loại bỏ những dòng trống
  var lines = remainder.split('\n').filter(function(line) {
    return line.trim() !== '';
  });
 
  // Giả sử input nằm ở dòng đầu tiên: "a b"
  if (lines.length > 0) {
    var tokens = lines[0].trim().split(/\s+/);
    var a = parseInt(tokens[0], 10);
    var b = parseInt(tokens[1], 10);
 
    var result = computeClaps(b) - (a > 0 ? computeClaps(a - 1) : 0);
    process.stdout.write(result.toString() + "\n");
  }
});
 
function computeClaps(n) {
  var s = n.toString();
  var memo = {};
 
  function dp(pos, tight, started) {
    if (pos === s.length) return { ways: 1, claps: 0 };
 
    var key = pos + '_' + (tight ? 1 : 0) + '_' + (started ? 1 : 0);
    if (memo.hasOwnProperty(key)) return memo[key];
 
    var ways = 0, claps = 0;
    var limit = tight ? parseInt(s.charAt(pos), 10) : 9;
 
    for (var d = 0; d <= limit; d++) {
      var newTight = tight && (d === limit);
      var newStarted = started || (d !== 0);
      var res = dp(pos + 1, newTight, newStarted);
      var clap = (newStarted && (d === 3 || d === 6 || d === 9)) ? 1 : 0;
      ways += res.ways;
      claps += res.claps + res.ways * clap;
    }
 
    memo[key] = { ways: ways, claps: claps };
    return memo[key];
  }
 
  return dp(0, true, false).claps;
}
 

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999999 10000000