foo.cc: In function 'int main()':
foo.cc:7:15: error: expected initializer before '==' token
    7 |         int y1==x1+x2,y2==x1*x2,y3==x1%x2;
      |               ^~
foo.cc:8:15: error: 'y1' was not declared in this scope; did you mean 'x1'?
    8 |         cout<<y1<<endl;
      |               ^~
      |               x1
foo.cc:9:15: error: 'y2' was not declared in this scope; did you mean 'x2'?
    9 |         cout<<y2<<endl;
      |               ^~
      |               x2
foo.cc:10:15: error: 'y3' was not declared in this scope
   10 |         cout<<y3<<endl;
      |               ^~

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