#include <stdio.h>

int main()
{
    int m[100], h, i;

    scanf("%d", &h);
    for (i = 0; i < h; ++i)
        scanf("%d", &m[i]);
    for (i = 0; i < h; ++i)
        if (m[i] >= 0)
            m[i] += 2;
    for (i = 0; i < h; ++i) {
        printf("%d", m[i]);
        if (i != h-1)
            printf(" ");
    }
    printf("\n");
}