#include <stdio.h>
 
int main() {
    int arr[100], n, i;
    int first, second;
 
    // Input size of array
    printf("Enter number of elements in the array: ");
    scanf("%d", &n);
 
    // Input array elements
    printf("Enter %d elements:\n", n);
    for (i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }
 
    // Initialize first and second smallest
    if (arr[0] < arr[1]) {
        first = arr[0];
        second = arr[1];
    } else {
        first = arr[1];
        second = arr[0];
    }
 
    // Find second smallest
    for (i = 2; i < n; i++) {
        if (arr[i] < first) {
            second = first;
            first = arr[i];
        } else if (arr[i] < second && arr[i] != first) {
            second = arr[i];
        }
    }
 
    printf("\nThe second smallest element is: %d\n", second);
 
    return 0;
}