gistfile1.txt

int stack_machine_emulator (NSString *S) 
{    
    NSScanner* scanner = [NSScanner scannerWithString:S];
    [scanner setCharactersToBeSkipped:[NSCharacterSet characterSetWithCharactersInString:@"*+"]];
    
    NSInteger nextInt;
    
    while ([scanner scanInteger:&nextInt]) 
    {
        NSLog(@"%d", nextInt);
    }
    
    return 0;
}