//入力文字読み取り
var inputall = require('fs').readFileSync('/dev/stdin', 'utf8');

    while (inputall.indexOf("hamu", 0) != -1 && inputall.indexOf("ham", 0) != -1) {
        inputall = inputall.replace("hamu", 1);
        inputall = inputall.replace("ham", 0);
    }

    //数値化
  var  inputnumber = Number(inputall);

    //２進数を１０進数へ変換
 var inputnumber_ten = parseInt(inputnumber, 2);

    //10進数を２倍
 var inputnumber_ten = inputnumber_ten * 2;

    //１０進数を2進数へ
 var inputstr_binary = inputnumber_ten.toString(2)

    //ハム語へ変換
 while (inputstr_binary.indexOf("1", 0) != -1) {
     inputstr_binary = inputstr_binary.replace("1", "hamu");
    }
 while (inputstr_binary.indexOf("0", 0) != -1) {
     inputstr_binary = inputstr_binary.replace(0, "ham");
    }
 console.log(inputstr_binary)