foo.cc: In function 'int main()':
foo.cc:6:5: error: expected initializer before 'float'
     float a; 
     ^~~~~
foo.cc:7:7: error: 'x' was not declared in this scope
  cin>>x>>y>>z;
       ^
foo.cc:7:10: error: 'y' was not declared in this scope
  cin>>x>>y>>z;
          ^
foo.cc:7:13: error: 'z' was not declared in this scope
  cin>>x>>y>>z;
             ^
foo.cc:8:2: error: 'a' was not declared in this scope
  a=120*(x+0.5*y+0.6*z);
  ^
foo.cc:9:2: error: 'coat' was not declared in this scope
  coat<<a;
  ^~~~
foo.cc:9:2: note: suggested alternative: 'char'
  coat<<a;
  ^~~~
  char

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