#include <iostream>
using namespace std;
#include <string>
int main() {
std::string s = "sss5sss";
std::string s1 = "ss";
std::string s2 = "dd";
if ( s1 != s2 )
{
printf( "NO" );
}
//printf( "%c \n", s[3] );
return 0;
}
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