View Compilation Error

0_0_22067044_27441.cpp: In function 'int main()':
0_0_22067044_27441.cpp:5:5: error: 'LL' was not declared in this scope
     LL m,k;
     ^
0_0_22067044_27441.cpp:6:30: error: 'm' was not declared in this scope
     while(~scanf("%lld%lld",&m,&k){
                              ^
0_0_22067044_27441.cpp:6:33: error: 'k' was not declared in this scope
     while(~scanf("%lld%lld",&m,&k){
                                 ^
0_0_22067044_27441.cpp:6:35: error: expected ')' before '{' token
     while(~scanf("%lld%lld",&m,&k){
                                   ^
0_0_22067044_27441.cpp:7:12: error: expected ';' before 't'
         LL t=(m-k+1);
            ^
0_0_22067044_27441.cpp:8:28: error: 't' was not declared in this scope
          printf("%lld\n",k*t);
                            ^