Borderou de evaluare (job #695968)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:8:3: error: expected ',' or ';' before 'unsigned' 8 | unsigned long long int a, b, sum; | ^~~~~~~~ main.cpp:9:11: error: 'a' was not declared in this scope 9 | mata >> a >> b; | ^ main.cpp:9:16: error: 'b' was not declared in this scope 9 | mata >> a >> b; | ^ main.cpp:10:3: error: 'sum' was not declared in this scope 10 | sum = 0; | ^~~