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