///////////////////////////////// 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');

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
var  inputall_binarystr = inputall.toString(2)

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