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
    // uint32_t musk = ((1<<5)-1)<<10;
    // uint32_t musk = (reg>>9)|((1<<5)-1);
    uint32_t musk = (reg>>10)&0x1f;    
    if(musk<31) musk+=1;
    // printf("musk=%d\n",musk);
    uint32_t cl = 0x1f<<10;
    reg &= ~cl;
    return reg |= (musk<<10);
}

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