2. Bit Toggle

#include <stdio.h>

int toggleFifthBit(int n) {
    // Write your code here
    signed char data = n;
    unsigned char mask = 1;
    unsigned char mask_inv ;
    mask = mask << 5;
    mask_inv = ~mask;
    data = data ^ mask;
    n = data;

    return n;
}

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