View Compilation Error

0_0_34442001_16359.cpp: In function 'int main()':
0_0_34442001_16359.cpp:21:5: error: 'loong' was not declared in this scope
     loong long n1,n2;
     ^
0_0_34442001_16359.cpp:25:27: error: 'n1' was not declared in this scope
        scanf("%lld %lld",&n1,&n2);
                           ^
0_0_34442001_16359.cpp:25:31: error: 'n2' was not declared in this scope
        scanf("%lld %lld",&n1,&n2);
                               ^