Error(s):

2003874355/source.cpp: In function ‘int main()’:
2003874355/source.cpp:7:5: error: ‘Damian’ was not declared in this scope
     Damian, tu jestem
     ^~~~~~
2003874355/source.cpp:7:5: note: suggested alternative: ‘main’
     Damian, tu jestem
     ^~~~~~
     main
2003874355/source.cpp:7:13: error: ‘tu’ was not declared in this scope
     Damian, tu jestem
             ^~
2003874355/source.cpp:7:13: note: suggested alternative: ‘tm’
     Damian, tu jestem
             ^~
             tm