View Compilation Error

0_0_36613544_7093.cpp: In function 'int main()':
0_0_36613544_7093.cpp:49:35: error: 'L' was not declared in this scope
     while (~scanf("%lld%lld%lld",&L,&x,&y)){
                                   ^
0_0_36613544_7093.cpp:49:38: error: 'x' was not declared in this scope
     while (~scanf("%lld%lld%lld",&L,&x,&y)){
                                      ^
0_0_36613544_7093.cpp:49:41: error: 'y' was not declared in this scope
     while (~scanf("%lld%lld%lld",&L,&x,&y)){
                                         ^