#include <stdio.h>
int main()
{
    int studentID = 15;
    int studentAge= 21;
    float studentFee=72.3;
    char studentGread='A';
    
    printf("student ID: %d\n", studentID);
    printf("student Age: %d\n",studentAge);
    printf("stuent fee: %f\n",studentFee);
    printf("student gread: %c",studentGread);
    printf("Length is: %d\n", length);
 printf("Width is: %d\n", width);
printf("Area of the rectangle is: %d", area);
    
    return 0;
}