Extract and Modify Field in a 32-bit Register

#include <stdio.h>
#include <stdint.h>

uint32_t update_register(uint32_t reg) {
    // Your logic here
    uint8_t value = ((1<<5)-1) & (reg >> 10);
    if(value < 31)
    {
        value++;
        reg = (reg & ~(((1<<5)-1) << 10)) | (value<<10);
    }  
    return reg;
}

int main() {
    uint32_t reg;
    scanf("%u", &reg);
    uint32_t updated = update_register(reg);
    printf("%u", updated);
    return 0;
}