///////////////////////////////// No.423 ハムスター語初級（数詞）
    //入力文字読み取り
    var inputall = require('fs').readFileSync('/dev/stdin', 'utf8');

    ////入力文字読み取り
    //process.stdin.resume();
    //process.stdin.setEncoding('utf8');
    //process.stdin.on('data', function (inputall) {

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

    //数値化
    inputall = Number(inputall);

    //２進数を１０進数へ変換
    inputall = parseInt(inputall, 2);

    //10進数を２倍
    inputall = inputall * 2;

    //１０進数を2進数へ
    inputall = inputall.toString(2)

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