function Main(input){
	input = ~~input;
  
  var cc = 0;
 	
  for(var i = 1; i <= input ; i += 2){
  	var count = 0;
  	for(var j = 1; j <= i ; j++){
    	if(i % j == 0)count++;
    }
    if(count == 8)cc++;
  }
  
  return cc;
}

// If you are interested in the algorithms I used, 
// there is no need to read down from this line.

((b,c,d)=>"undefined"!=typeof require?console.log(Main(require("fs").readFileSync("/dev/stdin","utf8"))):[b=b.split("\n").slice(1,-1).join("\n"),c=function(){try{return Main(b)}catch(f){return f.stack||f.message}}(),d=typeof c,"string"==d||(c=JSON.stringify(c)),$("<form>").append([[10,b],0,[1,d],0,[10,c]].map(f=>$(f?"<textarea>":"<br>",f&&{rows:f[0],cols:40,text:f[1]}))).appendTo("body")])(`
200
`);