var lines = [];
var x;
var reader = require('readline').createInterface({
  input: process.stdin,
  output: process.stdout
});
reader.on('line', function (line) {
  lines.push(line);
  x=lines[0];
  if(x==0){
   console.log(1)
  }else if(x==1){
   console.log(0)
  }
  process.exit(0);
});
process.stdin.on('end', function () {
});