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0_0_38891904_24764.cpp: In function 'int main()':
0_0_38891904_24764.cpp:4:9: error: 'scanf' was not declared in this scope
    4 |         scanf("%d %d", &a, &b);
      |         ^~~~~
0_0_38891904_24764.cpp:6:9: error: 'printf' was not declared in this scope
    6 |         printf("%d",c);
      |         ^~~~~~
0_0_38891904_24764.cpp:1:1: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
  +++ |+#include <cstdio>
    1 | int main()