View Compilation Error

0_0_21285312_13717.cpp: In function 'int main()':
0_0_21285312_13717.cpp:34:3: error: expected ';' before 'int'
   int x1,x2,y1,y2;
   ^
0_0_21285312_13717.cpp:38:8: error: 'y1' was not declared in this scope
   cin>>y1>>x1>>y2>>x2;
        ^
0_0_21285312_13717.cpp:38:12: error: 'x1' was not declared in this scope
   cin>>y1>>x1>>y2>>x2;
            ^
0_0_21285312_13717.cpp:38:16: error: 'y2' was not declared in this scope
   cin>>y1>>x1>>y2>>x2;
                ^
0_0_21285312_13717.cpp:38:20: error: 'x2' was not declared in this scope
   cin>>y1>>x1>>y2>>x2;
                    ^