View Compilation Error

0_0_13254641_429.cpp: In function 'int main()':
0_0_13254641_429.cpp:56:31: error: 'x' was not declared in this scope
                 scanf("%d%d",&x,&y);
                               ^
0_0_13254641_429.cpp:56:34: error: 'y' was not declared in this scope
                 scanf("%d%d",&x,&y);
                                  ^
0_0_13254641_429.cpp:61:32: error: 'x' was not declared in this scope
                 scanf("%d%d%",&x,&y);
                                ^
0_0_13254641_429.cpp:61:35: error: 'y' was not declared in this scope
                 scanf("%d%d%",&x,&y);
                                   ^