if statement for grade students C programing.

#include <stdio.h>
#include <stdlib.h>
#include <stdlib.h>
#include <stdlib.h>

/*Write a code that will read a student’s score on a test and determine the grade in letter (A is 90+, B is between 80 and 89, C is 70 and 79, D is 60 and 69, F is less than 60)

The output of the code should look on the computer monitor as follows:
(Hint: grade is a single letter. Use data type character when you first declare it in the program)*/



int main() {
    int grade;
    char lgrade;
    printf("please enter your grade");
    scanf("%d", &grade);
    if(grade>=90)
    lgrade='A';
    else if(grade>=80 &&grade<90)
    lgrade='B';
    else if(grade>=70 && grade<80);
    lgrade='C';
    else if(grade>=60 && grade<70)
    lgrade='D';
    else
    lgrade='F';
    
    printf("Student scored %d on the exam and his/her grade is %c",grade,lgrade);
        
    return 0;
}