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35 lines
778 B
35 lines
778 B
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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//输入+输出重定向
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//freopen("../x.in", "r", stdin);
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//freopen("../x.out", "w", stdout);
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string s;
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getline(cin, s);
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stack<char> st;
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for (int i = 0; i < s.size(); ++i) {
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if (s[i] != '@' && s[i] != '#') {
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st.push(s[i]);
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} else if (s[i] == '@') {
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while (!st.empty()) st.pop();
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} else if (s[i] == '#') {
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//删除一个
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st.pop();
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}
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}
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string result = "";
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//输出结果
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while (!st.empty()) {
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result = st.top() + result;
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st.pop();
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}
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cout << result << endl;
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//关闭文件
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//fclose(stdin);
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//fclose(stdout);
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return 0;
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}
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