0_0_27668934_22606.cpp:7:1: error: 'string' does not name a type
string x, y;
^
0_0_27668934_22606.cpp: In function 'int main()':
0_0_27668934_22606.cpp:14:16: error: 'x' was not declared in this scope
while (cin >> x >> y)
^
0_0_27668934_22606.cpp:14:21: error: 'y' was not declared in this scope
while (cin >> x >> y)
^
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