foo.cc: In function 'int main()':
foo.cc:6:18: warning: right operand of comma operator has no effect [-Wunused-value]
    6 |         cin>>x,y,z;
      |                  ^
foo.cc:6:19: warning: right operand of comma operator has no effect [-Wunused-value]
    6 |         cin>>x,y,z;
      |                   ^
foo.cc:8:12: warning: 'y' is used uninitialized [-Wuninitialized]
    8 |         B=y*(99/2);
      |           ~^~~~~~~
foo.cc:4:15: note: 'y' was declared here
    4 |         int x,y,z;
      |               ^
foo.cc:9:12: warning: 'z' is used uninitialized [-Wuninitialized]
    9 |         C=z*(99*5.5/10);
      |           ~^~~~~~~~~~~~
foo.cc:4:17: note: 'z' was declared here
    4 |         int x,y,z;
      |                 ^

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