foo.cc: In function ‘int main()’:
foo.cc:6:20: error: expected initializer before ‘data1’
    6 |         int string data1;
      |                    ^~~~~
foo.cc:7:20: error: expected initializer before ‘data2’
    7 |         int string data2;
      |                    ^~~~~
foo.cc:8:21: error: ‘data1’ was not declared in this scope
    8 |         getline(cin,data1);
      |                     ^~~~~
foo.cc:9:21: error: ‘data2’ was not declared in this scope
    9 |         getline(cin,data2);
      |                     ^~~~~