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#include <bits/stdc++.h>
using namespace std;
string a;
int k[10];
char c[5][10007];
int s;
int main() {
cin >> a;
for(int i = 0; i < a.size(); i++) {
if(a[i] >= 'a' && a[i] <= 'z')
c[1][k[1]++] = a[i];
else if(a[i] >= 'A' && a[i] <= 'Z')
c[2][k[2]++] = a[i];
else if(a[i] >= '0' && a[i] <= '9')
c[3][k[3]++] = a[i];
else c[4][k[4]++] = a[i];
}
for(int i = 1; i <= 4; i++)
if(k[i]) s++;
printf("password level:%d\n", s);
for(int i = 1; i <= 4; i++) {
if(k[i] == 0) printf("(Null)\n");
else {
for(int j = 0; j < k[i]; j++)
cout << c[i][j];
cout << "\n";
}
}
return 0;
}
/**
啊对对对
太棒了
以后答案都发这里