Main.cc: In function 'int main()':
Main.cc:5:7: error: expected primary-expression before '%' token
scan(%3%4,&a&b);
^
Main.cc:5:15: error: invalid operands of types 'int*' and 'int' to binary 'operator&'
scan(%3%4,&a&b);
^
Main.cc:5:16: error: 'scan' was not declared in this scope
scan(%3%4,&a&b);
^