#include <stdio.h>
​
int main() {
  // Student data
  int studentID = 15;
  int studentAge = 23;
  float studentFee = 75.25;
  char studentGrade = 'B';
​
  // Print variables
  printf("Student id: %d\n", studentID);
  printf("Student age: %d\n", studentAge);
  printf("Student fee: %f\n", studentFee);
  printf("Student grade: %c", studentGrade);
​
  return 0;
}