Check fail or pass.

#include<stdio.h>
#include<math.h>
//check fail or pass.
int main (){
    int number;
    printf("ENTER MARKS (0-100) : ");
    scanf("%d",&number);

    if(number >= 33 && number<=100){
        printf("PASS");
    } else if(number<33){
        printf("FAIL");
    } else {
        printf("INVALID");
    }
   
    return 0;
}