Help me in solving CLB067 problem

My issue

I don’t know how to update the values.

My code

#include <stdio.h>

int main(void) {
    int b = 23;
    int r = 45;
    if (r>b) {
        printf("Rob Scored higher marks than Bob.");
        
        
    }
	return 0;
}


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