View Compilation Error

0_0_39158257_15806.cpp: In function 'void work()':
0_0_39158257_15806.cpp:74:40: error: 'x' was not declared in this scope
   74 |                 scanf("%s%lld%lld",ch,&x,&y)
      |                                        ^
0_0_39158257_15806.cpp:74:43: error: 'y' was not declared in this scope
   74 |                 scanf("%s%lld%lld",ch,&x,&y)
      |                                           ^
0_0_39158257_15806.cpp:77:18: error: 'else' without a previous 'if'
   77 |                 }else{
      |                  ^~~~