View Code of Problem 77

#include <stdio.h>
#include <stdlib.h>

int main()
{
    char a[4],i;
    gets(a);
    for(i=0;i<4;i++)
    {
        if(i!=3)
        {
            printf("%c ",a[i]);
        }
        else
        {
            printf("%c",a[i]);
        }

    }
    return 0;
}