stove.cpp: In function 'int main()':
stove.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
8 | scanf(" %d %d", &n, &k);
| ~~~~~^~~~~~~~~~~~~~~~~~
stove.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
9 | scanf(" %d", &b);
| ~~~~~^~~~~~~~~~~
stove.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
13 | scanf(" %d", &a);
| ~~~~~^~~~~~~~~~~