function Main(input) {
  var arr, ret, i, len;

  wlen = wLength(input);
  if(wlen === 0) {
    console.log('');
    return;
  }

  arr = input.split(wrep(wlen));

  len = (arr || []).length;
  for(i = 0; i < len - 1; i++) {
    if(arr[i] !== '') {
      var tmpArr = arr[i].split('ｗ')
      var line = last(tmpArr);
      console.log(line);
    }
  }
}

// "ｗ"のlength回の繰り返し
function wrep(length) {
  return (new Array(length + 1)).join('ｗ')
}

// 文字列の中で"ｗ"が一番長く連続する回数
function wLength(str) {
  var arr, ret, i, len;

  arr = str.match(/ｗ+/g);
  len = (arr || []).length;
  ret = 0;
  for(i = 0; i < len; i++) {
    if(arr[i].length > ret) {
      ret = arr[i].length;
    }
  }

  return ret;
}

function last(arr) {
  return arr[arr.length - 1];
}

// Don't edit this line!
Main(require("fs").readFileSync("/dev/stdin", "utf8"));