0_0_18386558_3058.cpp: In function 'int main()': 0_0_18386558_3058.cpp:6:16: error: 'x' was not declared in this scope while(cin>>x>>y) ^ 0_0_18386558_3058.cpp:6:19: error: 'y' was not declared in this scope while(cin>>x>>y) ^