2. Bit Toggle

#include <stdio.h>

int toggleFifthBit(int n) {
  unsigned puk = (n & (1 <<5)) >> 5;
   if (puk !=0)
   {
    n &= ~(1 << 5);
   }
   else 
   {
    n |= (1 << 5);
   } // Write your code here
   return n;
}

int main() {
    int n;
    scanf("%d", &n);
    printf("%d", toggleFifthBit(n));
    return 0;
}