#include
#include
using namespace std;
int main()
{
string y1( "a\x62" );
cout << y1 << endl; // y1 is string "ab".
string y6( "a\xef" );
cout << y6 << endl;
string w1( "a\142" );
cout << w1 << endl;
string w2( "a\142c" );
cout << w2 << endl;
string w3( "a\142142" );
cout << w3 << endl;
string w4( "a\79" );
cout << w4 << endl;
string w5( "\x00007p\x0007q\x0007r\x007s\x07t\x7u" );
cout << w5 << endl;
return 0;
}