View Compilation Error

0_0_29965135_22436.cpp: In function 'int main()':
0_0_29965135_22436.cpp:63:9: error: 'u' was not declared in this scope
         u    int x,y;
         ^
0_0_29965135_22436.cpp:64:27: error: 'x' was not declared in this scope
             scanf("%d%d",&x,&y);
                           ^
0_0_29965135_22436.cpp:64:30: error: 'y' was not declared in this scope
             scanf("%d%d",&x,&y);
                              ^