Extract and Modify Field in a 32-bit Register

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

uint32_t update_register(uint32_t reg)
{
uint32_t mask=0;
mask |= (((1U<<5)-1)<<10);  //create mask
uint32_t field =reg&mask;
field >>=10;
if(field<31)
{
    field++; //chek and increment
}
field <<=10;
reg &= ~(((1U<<5)-1)<<10); //clear 10-14 in reg
reg|=field; 

return reg;
}

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