Help me in solving SYNN3 problem

My issue

My code

#include <stdio.h>

int main() {
  ______("__", 3 + _ );
  printf("__", 2 + 1);
  return 0;
}

Learning course: Learn C
Problem Link: CodeChef: Practical coding for everyone

@eren_127
U have to fill blanks like this

#include <stdio.h>

int main() {
  printf("%d", 3 + 4 );
  printf("%d", 2 + 1);
  return 0;
}