- #include <iostream> 
- using namespace std; 
-   
- int main() { 
-   
- 	int x = 10; 
- 	int y = 11; 
- 	int z = 12; 
-   
- 	cout << x++ + --x + y++ - y-- + z; 
-   
- 	return 0; 
- } 
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