foo.cc: In function 'int main()':
foo.cc:7:27: warning: unused variable 'd' [-Wunused-variable]
    7 |     long long int p,a,b,c,d,e;
      |                           ^
foo.cc:7:29: warning: unused variable 'e' [-Wunused-variable]
    7 |     long long int p,a,b,c,d,e;
      |                             ^

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