use strict;
use warnings;
use IPC::Open2; 

my $cmd = 'C:\temp\abc.exe'; 
my $pid = open2(*RR,*WW,$cmd); 

print WW "5 \n";
print WW "iAmString \n";
print WW "\n"; # any key

while (<RR>) {
   chomp($_); 
   print "$_\n";
}
print "done \n";

##</code><code>##

int main(int argc, char** argv) {
    printf ("Hello World \n");

    int value1;
    printf ("I am a number: ");
    scanf("%d", &value1);
    printf ("This is your number: %d \n",value1);

    char ppp[20];
    printf ("I am a string: " );
    scanf("%s",&ppp);
    printf ("This is your string? %10.10s \n",ppp);

 // system("PAUSE");
    return (EXIT_SUCCESS);
}