View Compilation Error

0_0_17461436_11802.cpp: In function 'int main()':
0_0_17461436_11802.cpp:101:27: error: 'x' was not declared in this scope
             scanf("%d%d",&x,&y);
                           ^
0_0_17461436_11802.cpp:101:30: error: 'y' was not declared in this scope
             scanf("%d%d",&x,&y);
                              ^