const reader = require('readline').createInterface({
  input: process.stdin,
  output: process.stdout
});

let lines = [];

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

reader.on('close', () => {
  let n = parseInt(lines[0]);

  const ans = Array.from(Array(n))
    .map((_, i) => (n - 1) - i)
    .join('')
    .repeat(n);

  console.log(parseInt(ans) === 0 ? 1 : ans);
});