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#include <bits/stdc++.h>
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using namespace std;
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void check(string t) {
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// 1、必须有大写,小写,数字三种中的两种
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int dx = 0, xx = 0, sz = 0, ts = 0;
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// 2、四个特殊字符必须有一个
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// !@#$
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// 3、不能出现其它字符
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for (int i = 0; i < t.size(); i++) {
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if (t[i] >= 'A' && t[i] <= 'Z')
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dx = 1;
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if (t[i] >= 'a' && t[i] <= 'z')
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xx = 1;
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if (t[i] == '!' || t[i] == '@' || t[i] == '#' || t[i] == '$')
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ts = 1;
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if (t[i] >= '0' && t[i] <= '9')
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sz = 1;
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if (!(t[i] >= 'A' && t[i] <= 'Z') && !(t[i] >= 'a' && t[i] <= 'z') && !(t[i] >= '0' && t[i] <= '9') &&
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t[i] != '!' && t[i] != '@' && t[i] != '#' && t[i] != '$') {
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return;
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}
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}
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if (dx + xx + sz < 2) return;
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if (ts == 0) return;
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cout << t << endl;
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}
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int main() {
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string s;
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cin >> s;
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s += ',';
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string t = "";
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for (int i = 0; i < s.size(); i++) {
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if (s[i] == ',') {
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check(t);
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t = "";
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} else
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t += s[i];
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}
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return 0;
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}
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