Main.cc: In function ‘int main()’:
Main.cc:6:5: error: ‘longlong’ was not declared in this scope
    6 |     longlong int suma = 0, sumb = 0, sum = 0;
      |     ^~~~~~~~
Main.cc:7:14: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘long long int*’ [-Wformat=]
    7 |     scanf("%ld %ld", &n, &m);
      |            ~~^       ~~
      |              |       |
      |              |       long long int*
      |              long int*
      |            %lld
Main.cc:7:18: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 3 has type ‘long long int*’ [-Wformat=]
    7 |     scanf("%ld %ld", &n, &m);
      |                ~~^       ~~
      |                  |       |
      |                  |       long long int*
      |                  long int*
      |                %lld
Main.cc:9:9: error: ‘suma’ was not declared in this scope
    9 |         suma = suma + i;
      |         ^~~~
Main.cc:12:9: error: ‘sumb’ was not declared in this scope
   12 |         sumb = sumb + i;
      |         ^~~~
Main.cc:14:5: error: ‘sum’ was not declared in this scope
   14 |     sum = suma * sumb;
      |     ^~~
Main.cc:14:11: error: ‘suma’ was not declared in this scope
   14 |     sum = suma * sumb;
      |           ^~~~
Main.cc:14:18: error: ‘sumb’ was not declared in this scope
   14 |     sum = suma * sumb;
      |                  ^~~~